Regular Expressions 101

Condition(?(?=.*?"state":"FIXED")"a":"(.*?)"|"b":"(.*?)")

Uses the first branch if the lookaround matches

Positive Lookahead(?=.*?"state":"FIXED")

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

"state":"FIXED"the literal text "state":"FIXED" (case sensitive)

If the condition is true, match this branch:"a":"(.*?)"

"a":"the literal text "a":" (case sensitive)

Group 1(.*?)

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

Otherwise, match this branch:"b":"(.*?)"

"b":"the literal text "b":" (case sensitive)

Group 2(.*?)

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

Regular Expression

(?(?=.*?"state":"FIXED")"a":"(.*?)"|"b":"(.*?)")

New

{"b":"abc","a":"def","state":"FIXED"}

{"b":"abc","a":"def","state":"FIXED"}