You are misunderstanding things. grep, split and substr are not "regular expression functions". They can use regular expressions, and often are used together with them. But the regular expression binding operator =~ only applies a match. What you do with the result is where split and grep come in.

In reply to Re: regular expression function: grep, split, substr OR NO need? by Corion
in thread regular expression function: grep, split, substr OR NO need? by virtuemart2

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