Regular Expressions 101

Pro

1st Alternative__(*SKIP)(*FAIL)

__the literal text __

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*FAIL)forces the current match attempt to fail at this position

2nd Alternative_a?b?c?_

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

a?optionally matches the literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

b?optionally matches the literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

c?optionally matches the literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

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.

25 tokens

__(*SKIP)(*FAIL)|_a?b?c?_

New

_a_
_b_
_ac_
_abc_
_ba_
_ca_
__

_a_
_b_
_ac_
_abc_
_ba_
_ca_
__