replaceFirst (Function)

Finds the first substring of the input string that matches with the given regular expression, and replaces itwith the given replacement string.

Syntax

<STRING> str:replaceFirst(<STRING> input.string, <STRING> regex, <STRING> replacement.string)

Query Parameters

Name	Description	Default Value	Possible Data Types	Optional	Dynamic
input.string	The input string that should be replaced.		STRING	No	Yes
regex	The regular expression with which the input string should be matched.		STRING	No	Yes
replacement.string	The string with which the first substring of input string that matches the regular expression should be replaced.		STRING	No	Yes

Example 1

    replaceFirst("hello gdn A hello",  'gdn(.*)A', 'XXXX')

This returns a string after replacing the first substring with the given replacement string. In this scenario, the output is "hello XXXX hello".