Python Regular Expression Operations – Regex

The regular expression is a popular topic in system administrators and developers. A regular expression is used to find structured text or string in single or multiple files. The best side of regular expression we can define whatever we want to match string in texts. Python supports and provides a lot of methods for regular … Read more

Linux tr Command Tutorial With Examples

tr command is mainly used to translate or delete characters in bash. tr is not a complex but useful command. We will look at various usage scenarios of tr in this tutorial. Syntax We will use the following syntax for tr command. tr [OPTION]… SET1 [SET2] Help Help can get with –help parameter like below. $ … Read more