Node:re-search Exercises, Previous:Regexp Review, Up:Regexp Search

12.7 Exercises with re-search-forward

• 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'. See 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. See the-the Duplicated Words Function.