Re^2: String Match

Almost.

if($line =~ m/API#[^#]/) {
...
[download]

The negative character class makes the regex reject the doubled-#, as per OP's question.

Update: Better answer below at Re^3: String Match. ++ happy.barney!

Comment on Re^2: String Match Download Code

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Re^3: String Match by happy.barney (Friar) on Nov 30, 2009 at 13:19 UTC
better is to use negative look around assertion: `m/API#(?!#)/`, it match also end of line.	[reply] [d/l]