The Match() function checks the input string for a match to a regular expression, see also Regular Expressions.
Match(string, regular expression)
Match('test abc: 123', '.*abc')
returns true
Match('test abc: 123', '3.0$')
returns true
Match('test abc: 123', '\d+')
returns true
Match('value: 123 value2: ', 'value: \d+')
returns true
Match('value: value2: 121', 'value: \d+')
returns false