User input - Perl need Help

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# 1  
Old 09-19-2011
User input - Perl need Help

If I want all user input to start with " : " if not display error

or what I asking is how to do if statement that control a first letter of string that we want to start with. and not worry about the rest
# 2  
Old 09-19-2011
Originally Posted by guidely
If I want all user input to start with " : " if not display error
Maybe something like this?

$ perl -lne 'die if !/^ : /; print "You entered => \"$_\""'
 : hello
You entered => " : hello"
 : world
You entered => " : world"
 : the quick brown fox jumps over the lazy dog
You entered => " : the quick brown fox jumps over the lazy dog"
inigo montoya
Died at -e line 1, <> line 4.

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