### Regex functions

| Name           | Parameters       | Return  | Description                                                                              |
| -------------- | ---------------- | ------- | ---------------------------------------------------------------------------------------- |
| REGEXP_INSTR   | Text, Text       | Integer | Return starting index of substring matching regular expression.                          |
| REGEXP_LIKE    | Text, Text       | Bool    | Returns true if the string expr matches the regular expression specified by the pattern. |
| REGEXP_REPLACE | Text, Text, Text | Text    | Returns the input after replacing pattern with new content.                              |
| REGEXP_SUBSTR  | Text, Text       | Text    | Returns substring matching regular expression .                                          |
