Regex to look for multiple characters or words in linux bash shell ?
Today we will look at the regex to search/grep multiple characters or words from a file or output in linux. First create a file with below contents. [root@nglinux ]# cat...
Tag: expression
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How to look/grep for special characters in a file in linux bash shell ?
Today in this post, we will look how to search or grep special characters in a file text. To search special characters in linux, we need to escape them using...
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How to test a valid IP address in Linux Bash Shell ?
Here is a quick tip to test a valid IP address on linux bash shell. I have recently used it in one of the scripts i need to prepare. I....