ColdFusion supplies case-sensitive and case-insensitive functions for working with regular expressions. REFind and REReplace perform case-sensitive matching and REFindNoCase and REReplaceNoCase perform case-insensitive matching.
You can build a regular expression that models case-insensitive behavior, even when used with a case-sensitive function. To make a regular expression case insensitive, substitute individual characters with character sets. For example, the regular expression [Jj][Aa][Vv][Aa], when used with the case-sensitive functions REFind or REReplace, matches all of the following string patterns:
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