Regular Expressions 101

Pro

Group 1(ONE)?

?repeats the group contents below at most once:

ONEthe literal text ONE (case sensitive)

TWOthe literal text TWO (case sensitive)

Condition(?(1)(THREE)?|THREE)

Uses the first branch if group 1 matched

If the condition is true, match this branch:(THREE)?

Group 2(THREE)?

?repeats the group contents below at most once:

THREEthe literal text THREE (case sensitive)

Otherwise, match this branch:THREE

THREEthe literal text THREE (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.

25 tokens

(ONE)?TWO(?(1)(THREE)?|THREE)

New

$20,000 AUD
$20,000
20,000 AUD
20,000


ONE
TWO
THREE
ONETWO
ONETHREE
TWOTHREE
ONETWOTHREE

$20,000 AUD
$20,000
20,000 AUD
20,000


ONE
TWO
THREE
ONETWO
ONETHREE
TWOTHREE
ONETWOTHREE