Regular expression escape characters
Bill Vlahos
bvlahos at mac.com
Wed Mar 28 23:19:52 EDT 2012
I am building a regular expression to find a set of question marks and exclamation points. For example ??? or !!!.
These are special characters so they mean something to a regular expression.
How do I find them in the text?
If I want to find a word such as "Bill" I can matchText with (\bBill\b) but I can't do (\b!!!\b) and if I do (\b???\b) I get an error.
I've looked on the web for escaping characters and they suggest using a slash before. However, when I try (\b\!\!\!\b) it doesn't work.
I've also found references to \Q…\E to have everything between a literal but (\b\Q!!!\E\b) doesn't work either.
Any ideas?
Bill Vlahos
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