Regular expression helpers.
matches(pattern str, s str) -> bool: Returns true ifpatternmatchess.find(pattern str, s str) -> str | error: Returns first match.find_all(pattern str, s str) -> [str] | error: Returns all matches.replace(pattern str, s str, replacement str) -> str | error: Replaces first match.replace_all(pattern str, s str, replacement str) -> str | error: Replaces all matches.split(pattern str, s str) -> [str] | error: Splitssby regex.
load regex
out(regex.matches("[a-z]+", "abc"))