regular expression – POFTUT

Tagged: regular expression


How To Create Case Insensitive Regex?

Regex is used given text according to different and flexible patterns. It provides a lot of different patterns which can match given text or line. The default behavior of the regex is case sensitive which means upper and lowercase letters are interpreted as different. We can match regex case insensitive or...


Compare Vi vs Vim

Vi is old school text editor developed for Unix operating system. Linux distributions also provides vi by default. But what is is vim . Vim is improved version of the vi. Actually vi has a lot of alternative versions but vim is the most popular and accepted version. Enhanced Version Vim As...


Awk Regular Expression Commands and Examples

Awk is very popular and useful tool for text and string manipulation. Regex or regular expression is generic language used to define text and string structures. Awk can Syntax Regular expression for awk can be used with the following syntax.

REGULAR_EXPRESSION is the regular expression we want to run ....

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