"Sybren Stuvel" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Roger L. Cauvin enlightened us with: >> I'm looking for a regular expression that matches the first, and >> only the first, sequence of the letter 'a', and only if the length >> of the sequence is exactly 3. > > Your request is ambiguous: > > 1) You're looking for the first, and only the first, sequence of the > letter 'a'. If the length of this first, and only the first, > sequence of the letter 'a' is not 3, no match is made at all. > > 2) You're looking for the first, and only the first, sequence of > length 3 of the letter 'a'. > > What is it?
The first option describes what I want, with the additional restriction that the "first sequence of the letter 'a'" is defined as 1 or more consecutive occurrences of the letter 'a', followed directly by the letter 'b'. -- Roger L. Cauvin [EMAIL PROTECTED] (omit the "nospam_" part) Cauvin, Inc. Product Management / Market Research http://www.cauvin-inc.com -- http://mail.python.org/mailman/listinfo/python-list