StringExpression
 Usage
Notes
 Further Examples
This finds all cases of the character "a" followed by any character.
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Using the named pattern x_ in this way gives the list of all characters following the character "a".
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This picks out words containing a double letter.
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This capitalizes the first letter in each word. Notice the use of RuleDelayed ( ) so that ToUpperCase does not evaluate before the matching has occurred.
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This finds all substrings of length  or more that are contiguous palindromic substrings (strings that read the same backwards and forwards).
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