When you refer to "repetitive elements," do you mean a single character occurring more than once in a string or to a more complex entity, such as multiple instances of a substring, e.g., in the string "It was the best of times, it was the worst of times," (Dickens, Tale of Two Cities), would you be interested in the number of occurrences of the letter "t," the substring "st," the word "was," the fragment "it was," or all four? Do you care about case? I'm presuming you are not including whitespace; are you including punctuation?

What have you tried to do? Do you have any code? Test cases? Results?

Addendum:

I can see from your title that you were looking for single characters occurring more than once in a string, not groups of characters. I'm still ambiguous about whether your definition of "repeated character" includes case ("I" and "i" are distinct). Also, a minor quibble: frequently in English usage, "repeated character" means multiple instances of a given character occur together, i.e., in the string "abbcdefga," the letter "a" would not be considered as a "repeated character," even though it appears twice, but "b" would be because it occurs twice with no intervening characters.

emc

Information about American English usage here and here.

Any New York City or Connecticut area jobs? I'm currently unemployed.

In reply to Re: regexp to match repeated charater by swampyankee
in thread regexp to match repeated charater by ramprasad_gk

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