Java regex torment -


i created following conditional regex seems work @ http://gskinner.com/regexr/ doesn't compile in java.

the regex follows :

x: (\d+). y: (\d+)(?(?=:inherit=(true|false)))

and supposed pull x, y value , (if exists) value followed :inherit=

e.g

x: 192131, y: 1923123 (matches 192131, 1923123)  x: 192131, y: 1923123:inherit=true (matches 192131, 1923123, true)  x: 192131, y: 1923123:inherit=false (matches 192131, 1923123, false)

in java error:

unknown inline modifier near index 20 x: (\d+). y: (\d+)(?(?=:inherit=(true|false)))

with index 20 being second parenthesis in (?(?

can me right in java, , maybe explain why website tester processes it.

thanks!

(?( not valid syntax.

use:

x:\s(\d+),\sy:\s(\d+)(?::inherit=(true|false))?

you need escape \.


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