regex_replace Function

regex_replace searches a given string for another given substring, and replaces each occurrence with a given replacement string. The substring argument can be a valid regular expression or a string.

regex_replace(string, substring, replacement)

substring should not be wrapped in forward slashes, it is always treated as a regular expression. The replacement string can incorporate captured strings from the input by using an $n or ${n} sequence, where n is the index or name of a capture group.

Examples

> regex_replace("hello world", "world", "everybody")
hello everybody


> regex_replace("hello world", "w.*d", "everybody")
hello everybody

> regex_replace("-ab-axxb-", "a(x*)b", "$1W")
---

> regex_replace("-ab-axxb-", "a(x*)b", "${1}W")
-W-xxW-

Related Functions

• replace searches a given string for another given substring, and replaces all occurrences with a given replacement string.