Aug 25, 2018

[HDGEM] Character classes Of bash shell

Character classes can be specified within the square braces, using the syntax [:CLASS:], where CLASS is defined in the POSIX standard and has one of the values

"alnum""alpha""ascii""blank""cntrl""digit""graph""lower""print""punct""space""upper""word" or "xdigit".


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Posted By Blogger to HDGEM at 11/16/2016 05:52:00 AM