Regular Expressions 101

Pro

Positive Lookbehind(?<=ok)

okthe literal text ok (case sensitive)

.*?any character (except for line terminators), repeated any number of times

Group 1(t)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case sensitive)

.*?any character (except for line terminators), repeated any number of times

Positive Lookahead(?=fe)

fethe literal text fe (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

Detailed match information will be displayed here automatically.

27 tokens

(?<=ok).*?(t).*?(?=fe)

If you look at what you have in life, you'll always have more. If you look at what you don't have in life, you'll never have enough

If you look at what you have in life, you'll always have more. If you look at what you don't have in life, you'll never have enough