Get all matches in an array from the specified input string and regex.
RegexMatch("hello123world456", "\\d+");
["123", "456"]
Get all splited string in an array from the specified input string and regex.
RegexSplit("hello123world456", "\\d+");
["hello", "world"]
Replace all matches with a specific string.
RegexReplace("123hello456world789", "_", "\\d+");
_hello_world_