regexp:replace()

regexp:replace() replaces the portions of a string that match a given regular expression with the contents of another string.

Syntax

regexp:replace(originalString, regExpString, flagsString, replaceString)

originalString: The string perform a search-and-replace operation upon.
regExpString: The JavaScript style regular expression to evaluate.
flagsString: The string containing character flags.
replaceString: The string with which the matched substrings are to be replaced.

The character flags are:

g - Global replace: If this flag is specified, all occurrences of the regular expression within the originalString are replaced. Otherwise only the first occurrence is replaced.
i - Case insensitive match: If this flag is specified, the match is performed in a case insensitive fashion.

The revised version of the string.