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  • Category upText Processing
  • Category upFile Searching

Tag: regex

Regular expressions in Linux are special sets of characters that let search for data and match complex patterns. Learn the usage of regular expressions using commands like grep, awk, sed, find and many more.

>> How to Use OR Patterns in Shell Wildcards

>> How to Verify the Length of a Variable in Bash

>> Checking the Validity of an IP Address in Linux

>> How to Print a Given Number in Reverse Order

>> Returning a Regular Expression (Regex) Match in the Shell

>> How to Match a String with a Fixed Numbers of Characters in Linux

>> How to Replace a Character in a Matched Line In-Place

>> Extract Text Between Two Specific Characters in the Command Line

>> The Differences Between BRE, ERE, and PCRE Syntax in Linux

>> How to Use a Regex Inside an if Clause in Bash

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