Regular Expressions 101

Explanation

Pro

YOUR REGEX HEREthe literal text YOUR REGEX HERE (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

YOUR REGEX HERE

New

should match: noon, peel, festoon, looop, oodles
should not match: lol, loaol, ok, okoko, HooP

Note it's OK if the double o in HooP matches! Your regex just shouldn't match the whole word.