Splunk Regex New Line

A regular expression is a pattern that the regular expression engine attempts to match in input text. See more details at configuring endpoint uris. I've been trying to get a specific regex working but I can't get it to do what I need. Is used to include files, if filename matches the regex pattern (matching is case in-sensitive). PowerShell’s ‘If’ statement comes under the umbrella of flow control. [email protected] A pattern consists of one or more character literals, operators, or constructs. I'm using Splunk to parse some logs that have our "hub" and "comp" IDs embedded in them, down in the body of the message. -i --ignore-case. regex 패키지를 이용한다는 것은 위의 3가지 클래스를 이용하는 것을 의미합니다. Kinney Group will invest in training and development for team members to maintain current in new. Hi, Can anyone tell me how to handle in transformation regex. Php Regex Manual Read/Download The RegexParserFunctions extension adds a parser function called 'regex' (or Notably, it will block the PHP regexp extensions that can activate the PHP. This is used to control the wait time when polling for search job completion; the user will typically not need to modify this value. Improvements to regular expression matching. sh reads every new line of data writen to the fifo file (named pipe) and sends the data to the fifo_reader. In this chapter, we will learn how to use Shell variables in Unix. gc is an abbreviation for get-content; The parenthesis causes the get-content command to finish before proceeding through the pipeline. By default, the ". Splunk allows you to cater for this and retrieve meaningful information using regular expressions (regex). Active Directory logs have multiples of the same value (Account_Name, Group_Name, etc. You can use special character sequences to put non-printable characters in your regular expression. CASE Statement. Unsere Spezialisten dokumentieren tagtäglich die neuesten Schwachstellen seit 1970. So, if there is more than one 'bar' on the same line, the search will stop right before the first occurrence of 'bar'. Using the PowerShell "Split" function, a string can be broken up into parts using a custom delimiter. Allows the regex to match the number if it appears at the beginning of a line, with no characters before it. Splunk Enterprise pdf 4 585 KB 新しいアルツハイマー病研究用、「APP770 測定キット」の販売開始について pdf 137 KB Splunk Enterprise Security 4. com You're missing a lot of information in your post but here is some horrible code I've written to do this in python. learn operating system. In Leaked Chats, WikiLeaks Discusses Preference for GOP over Clinton, Russia, Trolling, and Feminists They Don’t Like by Micah Lee, Cora Currier. Seeing as each event is a new line, we can use the “new line” regex value for a line breaker regex. Mình thấy hay nên có paste lại và comment một số ý để note cho dễ nhớ :). Rubular is a Ruby-based regular expression editor. Get fast answers and downloadable apps for Splunk, the IT Search solution for Log Management, Operations, Security, and Compliance. OK” expresses the. But there are many other cases where we could use a boundary for which regex does not provide explicit syntax. txt "Add a new line" unix is great os. The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE. This interface shows you the list of apps that have been preinstalled for you. Yes, I work on Blue Prism as well. "Add a new line" learn operating system. sed scripts can have comments (the line starting with the # symbol). Fixed bugs related to the management of special characters such as the new line delimiter ( ), or binary data. As the number of keywords increase, the time taken by Regex grows almost linearly. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. Draggable fields bring significant data for creating and managing well-informed alerts. a new line. Now you can see the events where it finds that regular expression after that it will break the line and creates a new event. While Linux has the grep command, Windows does not have an equivalent. Milton Gonsalves Session Overview Session. Opsgenie provides string processing methods to parse incoming emails in email to alert rules, automations, etc. It matches any single character that sorts between the two characters, inclusive, using the locale's collating sequence and character set. Stack Exchange Network. TDLib – build your own Telegram. Is this the expected behaviour of get_csv_row?. In syslog-ng OSE version 3. The environment you work in is a personal thing. For a discussion of regular expression syntax and usage, see an online resource such as www. When the regular expression engine parses from right to left (when the regular expression pattern is constructed with the RegexOptions. A variable is a character string to which we assign a value. However sometimes when the events happen too close together (which is common) the data comes in with multiple lines and the regex then only catches the first line. RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Fixed errors when Logcollector tries to open or analyze files that disappeared, or when querying if a file reached its end. 8 or later, you can use the http() destination. * (zero or more of any character). Milton Gonsalves Session Overview Session. You can extract the desired information in a more powerful way by using regular expressions on many cases. When learning regexes, or when you need to use a feature you have not used yet or don't use often, it can be quite useful to have a place for quick look-up. FortuneIndia. This allows sending SFTPPlus HTTP events to existing webhooks like Slack or Splunk. conf to the directory /etc/tmpfiles. Remember a string is surrounded by either single or double quotation marks. Active 2 years ago. Introduction To Splunk Logging. Copy/paste directly out of the Edit pane rarely works for the type of advanced formatting I use within my spaces or in collaboration with other teams (possibly running in different Confluence server instances), but source editor alleviates all of those most migration headaches by retaining everything (except the page-specific attachments). Once it hits a log line that doesn't start with white space, it will close the event and submit it to the filter stage. The input argument op specifies the type of translation that regexptranslate performs. Powershell makes use of regular expressions in several ways. Splunk IT Service Intelligence (ITSI) is a monitoring and analytics solution powered by artificial intelligence for IT Operations (AIOps) that provides visibility into health and key performance indicators of critical IT and business services, and its infrastructure. New line characters are removed from 'Description' for events coming from the MID Server: The description is not properly formatted. This section presents Java logging basics, including how to create logs, popular logging frameworks, how to create the best log layouts and use appenders to send logs to various destinations, as well as advanced topics like thread context and markers. Interpret PATTERN as an extended regular expression. Rubular is a Ruby-based regular expression editor. PRB1285345. In writing programs or web pages that manipulate text, it is frequently necessary to locate strings that match complex patterns. NMON Splunk App has been designed to massively collect, convert, index and analyse NMON Metrics Data, providing an Enterprise class Application. Regular expression to match a line that doesn't contain a word. Change a line The sed command can be used to replace an entire line with a new line. Try our Telegram Database Library (or simply TDLib), a tool for third-party developers that makes it easy to build fast, secure and feature-rich Telegram apps. for i in `cat !$`; – we are creating a loop that will read every line from the file we have created before. txt) | ? {$_. Strong interpersonal skills, both written and oral, and an ability to communicate complex ideas to all levels of the business. sudoers examples. We offer certified Splunk applications, which give you insights across all containers environments. ‘foobar’ like ‘foo’ evaluates to FALSE where as ‘foobar’ like ‘foo_ _ _’ evaluates to TRUE and so does ‘foobar. The negative index is also used to show the index to represent the string in the correct order. From this: this my line - Fine (R/S) more date - I like this (not) date - output (yes) I like to get all data from -to the end of line, but not the data in parentheses if it contains not or yes, so data in group1 should be:. For example, the regular expression "[0123456789]" matches any single digit. Extracting a Pattern from within Text. Active 2 years ago. RegExp oder Regex) ist eine Zeichenkette, die der Beschreibung von Mengen beziehungsweise Untermengen von Zeichenketten mit Hilfe bestimmter syntaktischer Regeln dient. This page describes the syntax of regular expressions in Perl. edu is a platform for academics to share research papers. Enter your SQL statement in the textarea below and click "Format SQL" [Ctrl+Enter]. Splunk allows you to cater for this and retrieve meaningful information using regular expressions (regex). 33147 trow-consulting-services Active Jobs : Check Out latest trow-consulting-services job openings for freshers and experienced. For example, `xy' (two match-self operators) matches `xy'. If you have a list of items (a list of car names, for example), storing the cars in single variables could look like this:. This codec tells the file plugin to treat any log line that starts with white space as belonging to the previous line. OK” expresses the. I'm running Splunk to grab some live data off a switch and my regular expression is working great when it comes in a single line. (guess you really don't need this one) So I guess the important two here are the 'o' for only print the part of the line that matches the expression and the 'E' for Extended regex, so you can do all the cool shit. Python is an object-oriented high level scripting language. But there could be any number of them, they could contain any characters, and there sometimes could be a line of dashes at the end. But there are many other cases where we could use a boundary for which regex does not provide explicit syntax. Sometimes you may need to take stack trace to a String variable and use it (e. Regular expressions (regex) match and parse text. Python time strptime() Method - Pythom time method strptime() parses a string representing a time according to a format. The problem is, the data in the source file is with whitespaces so i do not get everything included. How do I find and replace character codes ( control-codes or nonprintable characters ) such as ctrl+a using sed command under UNIX like operating systems? A. He uses a custom language in Notepad++ to allow for indenting formulas, editing formulas, and all the other stuff you can do in a text editor that you can’t do in Excel’s formula bar. HTML Tutorial. Enter your SQL statement in the textarea below and click "Format SQL" [Ctrl+Enter]. The Attach To Splunk Data dialog has some new fields compared with previous versions. n test cases follow. ROCKET's. PRB1336822. Now you can see the events where it finds that regular expression after that it will break the line and creates a new event. OK” expresses the. The first part is the user, the second is the terminal from where the user can use sudo command, the third part is which users he may act as, and the last one, is which commands he may run when using sudo. A regular expression is essentially a string that is used to describe or match a set of strings, according to certain syntax rules. So, if there is more than one 'bar' on the same line, the search will stop right before the first occurrence of 'bar'. We use DELIMS in the place of REGEX when we want to deal with ASCII-only delimiter based field extractions, where there are delimiters such as commas, tabs, paces, colons, line breaks etc in between field and value pairs. If you need to hand edit a configuration file, contact Technical Support for information on supported syntax. is a wildcard character that will match any character except a new line. It's a handy way to test regular expressions as you write them. Linux Shell Substitutions. We are a community of 300,000+ technical peers who solve problems together Learn More. Getting started with the Splunk SDK for Python. 10-digit phone number with hyphens match whole word Find Substring within a string that begins and ends with paranthesis Simple date dd/mm/yyyy all. The Mock, Test and DataSet endpoints work great with the Camel Testing Framework to simplify your unit and integration testing using Enterprise Integration Patterns and Camel’s large range of Components together with the powerful Bean Integration. Event correlation and data mining for event logs Risto Vaarandi SEB Eesti Ühispank risto. See SPL and regular expressions in the Search Manual. put("blogService", new BlogService()); // Then we create the camel context with our bean registry context = new DefaultCamelContext(registry); // Then we add. While you can't learn to efficiently use regular expressions from this brief overview, it's enough to be able to throw together a bunch of simple regular expressions. 0 ユーザーマニュアル pdf 3 070 KB. It is a 7-bit code. Regex Boundaries and Delimiters—Standard and Advanced Although this page starts with the regex word boundary \b , it aims to go far beyond: it will also introduce less-known boundaries, as well as explain how to make your own— DIY Boundaries. HTML Tutorial. So it includes comma, double quotes and many other special chacters, it isalso is not limited to one line. To input arguments into a Bash script, like any normal command line program, there are special variables set aside for this. I thought about originally removing the dash lines altogether with the SEDCMD but they're the only consistent thing I can break events on. telling Splunk when a new event starts (line 5). Before the concatenation, we had two strings: "Concatenating " and "strings. For you unix heads out there, EREs are roughly the same as used by. d and the system will create the folder for you upon rebooting. Splunk Enterprise pdf 4 585 KB 新しいアルツハイマー病研究用、「APP770 測定キット」の販売開始について pdf 137 KB あなたの輸入車ライフとは流行を追う事ですか?. In addition, if events contain common fields they can be included here under fields. I'm using Splunk to parse some logs that have our "hub" and "comp" IDs embedded in them, down in the body of the message. Splunk App Framework resides within Splunk's web server and permits you to customize the Splunk Web UI that comes with the product and develop Splunk apps using the Splunk web server. The sentences below were randomly generated online. We will try to be as explanatory as possible to make you understand the usage and also the points that need to be noted with the usage. Copy this directory to a new Splunk instance to restore. In this chapter, we will learn how to use Shell variables in Unix. ‘\\’ in regex would be a single escaped backslash character. This uses a regular expression to find the char to replace. Metacharacters. Strong interpersonal skills, both written and oral, and an ability to communicate complex ideas to all levels of the business. The negative index is used to remove any new-line spaces from the string and allow the string to except the last character that is given as S[:-1]. Splunk is a log aggregator that allows you to pull in logs from across your network environment for querying and reporting. How do I create create a new Linux user account ? How do update or modify default Linux new user information? Using the command prompt (shell) tools, how do I add a user to the system? What are command line options for adding a user? A. I've seen teams build some amazing things on top of it. String Functions online. Either through time stamps or regular expressions. The nature of a shell. After matching each new character or subexpression, the engine tries once again to match the rest of the pattern. Fortunately, PowerShell makes it all easy, as Michael Sorens demonstrates. Replace CR & LF With Spaces - Oracle SQL. As you will read, NextForm would process the data outside of Splunk and create a CSV file for input. For example: splunk-hec: Sending messages to Splunk HTTP. For a discussion of regular expression syntax and usage, see an online resource such as www. You can vote up the examples you like or vote down the ones you don't like. Command-line tools such as grep allow you to search and parse files using regular expressions. Search CheatSheet Here are some examples illustrating some useful things you can do with the search language. " It is because we. The pm_buffer module in above nxlog. Delimiters for any key/value pairs in a log entry. conf is the premier education and thought leadership event for thousands of IT, security and business professionals looking to turn their data into action. Just paste in a sample event and it’ll match it in real time, right before your eyes! Granted, Splunk does have this sort of feature, but honestly, I find it helpful to sort of “back up and out” of what I’m doing in Splunk to solve a problem that’s not strictly a Splunk thing. Regular Expressions Quick Start. Within a bracket expression, a range expression consists of two characters separated by a hyphen. StreamSets recommends using the Azure Data Lake Storage Gen1 destination to write data to Microsoft Azure Data Lake Storage Gen1. Find out how RegexBuddy makes the regex syntax crystal clear enabling you to use regular expressions with the greatest ease ever. If authToken is enabled (see above) it should be included here as a field called authToken. The nature of a shell. I'm running Splunk to grab some live data off a switch and my regular expression is working great when it comes in a single line. OK” expresses the. Our brand new menu allows you to switch between a full ribbon, compact ribbon and menu/toolbar system, all with only the buttons you'd like. Optional flags i=ignore case, m=multiline (change semantics of $ and ^ to match each line, nut just start/end), d=dotall (. Linux I/O Redirections. ) Let's pick it apart and uncover the mystery. Getting started with the Splunk SDK for Python. A tutorial on how to work with regular expressions in Splunk in order to explore, manipulate, and refine data brought into your application using RegEx. For you unix heads out there, EREs are roughly the same as used by. Question: Tag: regex,splunk I am trying to get some data for Splunk. fix: Perl parser write new line after each write (Case #508792 Splunk universal forwarders duplicating data due to File too small to check seekcrc #47) fix: minor code cleaning; feature: complete review of eventgen configuration using TA-nmon-hec samples. 0 available on Splunkbase. How do you access the matched groups in a JavaScript regular. By default, Icinga2 applies to every host the service ping4 or ping6 (depending on the address). Remember a string is surrounded by either single or double quotation marks. How to achieve this - sure there are many ways. If you are trying to table two different multivalue fields to match up it's a little more complicated but it's not clear what you want based on your post. This method is available only in an Edge Encryption rule action script. The third one, will do the same thing, but with the shortest match (non-greedy). You can use special character sequences to put non-printable characters in your regular expression. mibs +NEW-SNMP-DEVICE. Active Directory logs have multiples of the same value (Account_Name, Group_Name, etc. I have more examples of using regex in another article I wrote: The many ways to use regex. This article is about "how to replace a line in file using ansible and seeing various other examples of ansible replace module". 常用來配合 Regular Expression 的指令有 grep、swk、sed、vi、less,不過下列提到的 Regular Expression 字元與之前提到的萬用字元不同,且建議使用 Regular Expression 時前後使用單或雙引號括住。 文章目錄 1、前言 2、常用過濾字元 3、Wildcard Characters (萬用字元) 練習 4、Modifies. About Splunk regular expressions. sed allows simple programming, with commands such as q (quit). [email protected] Lesson 9: All this whitespace When dealing with real-world input, such as log files and even user input, it's difficult not to encounter whitespace. Regex route utilizes a regular expression to match against the URI path. Cari pekerjaan yang berkaitan dengan Splunk rest api example atau merekrut di pasar freelancing terbesar di dunia dengan 14j+ pekerjaan. Important: The Azure Data Lake Storage (Legacy) destination is now deprecated and will be removed in a future release. I have more examples of using regex in another article I wrote: The many ways to use regex. The extracted string is then delimited as per the defined delimiters. As the number of keywords increase, the time taken by Regex grows almost linearly. On line 5, stringConcatenated = string1 + string2;, we use the "+" operator to concatenate two strings. DevOps Automation. com is one of many scripting languages, but where it shines is quickly developing a small project. DOTALL flag. Project Management. Any single character except a newline ^ The beginning of the line or string $ The end of the line or string * Zero or more of the last character + One or more of the last character ? Zero or one of the last character (ben. Back up the cluster master node If you're using index replication, you can back up the master node's static configuration. i'm trying to add a new line with data from a file to another file. We use DELIMS in the place of REGEX when we want to deal with ASCII-only delimiter based field extractions, where there are delimiters such as commas, tabs, paces, colons, line breaks etc in between field and value pairs. This is a good way to get a blank line on the screen to help space things out. Gratis mendaftar dan menawar. If you know just a little about them, a quick-start introduction is available in perlrequick. The Java programming language provides a wrapper class that "wraps" the char in a Character object for this purpose. If you have a list of items (a list of car names, for example), storing the cars in single variables could look like this:. If you're new to Splunk, we recommend you check it out and give us your feedback! 49. Splunk does not treat the as a regular expression because the regex is in the segment before the wildcard. If we explore into the properties of the output of select string, we’ll see we now have a number of useful properties, including the line number on which this match occurred. Accepts log events and allows you to parse a log field's value with a Regular Expression. The pattern has to appear at the beginning of a string. PRB1285345. BREAK_ONLY_BEFORE = When set, Splunk software creates a new event if it encounters a new line that matches the regular expression. A pattern consists of one or more character literals, operators, or constructs. regular-expressions. The "i" command to sed tells it to add a new line before a match is found. Category: General plugin execution Group: CVS Status: Open >Resolution: Works For Me >Priority: 7 Submitted By: radm (hvenzke) Assigned to: Nobody/Anonymous (nobody) Summary: Perlsec breaks any perl plugin with perl 5. Line 13 - run the command ls substituting the value of the variable sampledir as its first command line argument. A tool that allows programmers to generate a working program in a variety of languages that extracts data mined regular expressions from strings. Its only when i hook it into the rest of my splunk query do i get no joy. Công nhận mấy ông nước ngoài làm tài liệu đẹp thiệt, công ty VN phải học tập dài dài. On receiving side we have message with #012 instead of new lines; using octet-based TCP Framing, described in RFC 5425 for TLS-enabled syslog. each test case there be: • 1 line containing value c, amount. Big data analytics is the process of examining large amounts of data (big data) in an effort to uncover hidden patterns or unknown correlations. The next column, "Legend", explains what the element means (or encodes) in the regex syntax. Get fast answers and downloadable apps for Splunk, the IT Search solution for Log Management, Operations, Security, and Compliance. About DevCentral. Start studying Splunk Core Certified User & Splunk Fundamentals 1. You give it the file location, and each time it executes it will return a 1 if a new line was added since last time or a 0 if not. script in Unix environment Text Editor vi Basic Shell Programming. Learn to Program using Python: Writing and Using Scripts. To input arguments into a Bash script, like any normal command line program, there are special variables set aside for this. Choosing a logging solution depends on a number. For you unix heads out there, EREs are roughly the same as used by. OK” expresses the. This interface shows you the list of apps that have been preinstalled for you. Table of HTML Escape Characters. Category: Monitoring Install iTop on Linux Create a new line In the regex a dot is the equivalent for a single arbitrary character. 03/30/2017; 11 minutes to read +10; In this article. Set your global regular expressions under Administration, General, Regular Expressions. Element of HTML Document Structure Before And After HTML5: Note The Difference What does HTML Comments: How To Use Them In Your HTML Code do? This element is used to add a comment to an HTML document. There are times, however, when you need to use a char as an object—for example, as a method argument where an object is expected. Next: TwiML templating When your app gets a text, Twilio asks your app how to respond and includes data about the incoming message like the message’s contents and the phone number it was sent from. So I have two files, and if a new line appears on either of these files, I'd like to receive an IM (preferably jabber or gTalk) containing the contents of that line. Online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript Regular Reg Expressions Ex 101. **There are two ways send Splunk data to InsightIDR:** * [Use the Splunk a. By mkyong | July 2, 2014 %L = The line number from where the logging request. Splunk discovers and delivers insights into the patterns and performance organizations need to improve efficiency and efficacy. However, they tend to come with their own different flavor. New syntax field = /regex/idmg syntax for matching. Please notice `(backticks) as any commands enclosed within them will be executed and output used in. OK” expresses the. *? starts out by matching zero characters—the minimum allowed by the * quantifier. Event Management. Regular expressions were invented to describe such patterns. With dozens of how-tos, this book kicks off with the basic steps for setting up and running the BeagleBone Black for the first time, from connecting the necessary hardware and using the command line with Linux commands to installing new software and controlling your system remotely. In some cases, if you’re editing in a plain text (i. However sometimes when the events happen too close together (which is common) the data comes in with multiple lines and the regex then only catches the first line. Logfmt therefore achieves pretty good readability for both human and computer, even while not being optimal for either. Splunk is an extremely powerful tool for extracting information from machine data, but machine data is often structured in a way that makes sense to a particular application or process while appearing as a garbled mess to the rest of us. I have a large text file. It neither wholly preserves nor wholly cleans up white space. Splunk is a log aggregator that allows you to pull in logs from across your network environment for querying and reporting. Regular expressions (regex) match and parse text. A few months ago I began a personal project to learn a bit more about how parsers and compilers work. Also, using the -Wildcard. Extracting a Pattern from within Text. Splunk does not treat the as a regular expression because the regex is in the segment before the wildcard. On receiving side we have message with #012 instead of new lines; using octet-based TCP Framing, described in RFC 5425 for TLS-enabled syslog. Mình thấy hay nên có paste lại và comment một số ý để note cho dễ nhớ :). About DevCentral. The Data-to-Everything Platform, Splunk grants business leaders the ability to interact with the data behind complex business processes and customer experiences that often span disparate systems. Online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript Regular Reg Expressions Ex 101. Thus, the most recent line in the main configuration file (unless it indicates another file) will be the last line of the configuration to be installed, no matter what. This means that as unstructured data is being ingested into the system, it must be translated into structured message lines. The backslash (\) in a regular expression indicates one of the following: The character that follows it is a special character, as shown in the table in the following section. Equivalent to line: location: Used to output location information of the caller which generated the logging event. I'm not too good with regex and could use a solution that would find the pattern anywhere in the string. Splunk also recommends the same format under their best practices so we can be sure that it can be used to search and analyze all our logs in the long term. empty string MUST_BREAK_AFTER = When set and the regular expression matches the current line, Splunk software always creates a new event for the next input line. cat$ matches any string that ends with cat. Home; Topics. Follow this answer only if the output of file file-name shows,. If you test that regex pattern, it comes back with 0 matches. Familiarity with Splunk-SPL, Salesforce. In syslog-ng OSE version 3. Ask Question Asked 2 years ago. A few months ago I began a personal project to learn a bit more about how parsers and compilers work. Step 2: Process the JSON Data. Can not contain new line symbols: by standard, they are frame delimeters, effectively starting new syslog message. The /R option indicates that the findstr command should perform its search based on a regular expression. If you're only interested whether new stuff has been written to the log, then this should offer a quick fix. regex matching in splunk. Events are retrieved from one or more indexes during a search. I think what you want is to only have a line where the data has changed, I assume to save on file size. conf is the premier education and thought leadership event for thousands of IT, security and business professionals looking to turn their data into action. i'm trying to add a new line with data from a file to another file. perlre - Perl regular expressions. Without it, you could see something like the following, instead, since "BIOS Version also matches:. Note that not all lists published on the Internet will validate as valid HTML and XHTML. In lineinfile module, regex parameter used to hold the String that we are searching for and line is to hold the line which we want to replace with. The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE. Build RegEx - A Regular Expression GUI. Put down that O'Reilly book about RegEx, quit googling, and saddle up! Ninja's going Texas style today with a new video on Regular Expressions, or REGEX. ([\r\n]+) removes all hard return characters and denotes the beginning of a new line. This line means: The root user can execute from ALL terminals, acting as ALL (any) users, and run ALL (any) command. Testing of distributed and asynchronous processing is notoriously difficult. Thanks for the wonderful explanation.