grep command with Amazing Examples in Linux (Centos/Redhat 6) Part-2
grep command with Amazing Examples in Linux (Centos/Redhat) Part-II.how to use Regular Expressions in Grep Command with Examples.caret Symbol "^" matches the expression at the start of a line.Character $ matches the expression at the end of a line.Using ^ and $ character you can find out the empty lines available in a file.The special character “.” (dot) matches any character.character “*” matches zero or more occurrence.character “\+” matches one or more occurrence of the previous character.search for all the characters except those in the square bracket.Usage of Pipe character (|) in grep.Character class expression wit grep command.
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