A list of regular expression functions provided by XQuery:
| Index | Name | Description |
|---|---|---|
| 1) | matches($input, $regex) | It returns true if the input matches with the provided regular expression. |
| 2) | replace($input, $regex, $string) | It is used to replace the matched input string with given string. |
| 3) | tokenize($input, $regex) | It is used to return a sequence of items matching the regular expression. |
