how i use \e (special character) in perl program

Your question doesn't make sense. Are you asking what \e does in double-quoted string literals? It evaluates to the ESC character (0x1B). See "Quote and Quote-like Operators" in perlop for the documentation for double-quoted string literals.

In reply to Re^2: Regexp \N{name} (use of \e) by ikegami
in thread Re: Regexp \N{name} (use of \e) by gautam_9jan

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