Regular Expressions 101

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/
(arse|ass)+holes
/
1st Capturing Group
(arse|ass)+
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
1st Alternative
arse
arse
matches the characters arse literally (case sensitive)
2nd Alternative
ass
ass
matches the characters ass literally (case sensitive)
holes
matches the characters holes literally (case sensitive)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/

Test String