eintr: re-search Exercises
12.6 Exercises with ‘re-search-forward’
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• Write a function to search for a regular expression that matches
two or more blank lines in sequence.
• Write a function to search for duplicated words, such as “the the”.
Syntax of Regular Expressions (emacs)Regexps, for
information on how to write a regexp (a regular expression) to
match a string that is composed of two identical halves. You can
devise several regexps; some are better than others. The function
I use is described in an appendix, along with several regexps.
‘the-the’ Duplicated Words Function the-the.