regexplained.co.uk
Regular Expression playgorund inspired by regexper.com and LeaVerou/regexplained
Regular Expression playgorund inspired by regexper.com and LeaVerou/regexplained
Home Page: http://regexplained.co.uk
Regular Expression playgorund inspired by regexper.com and LeaVerou/regexplained
\\.
is represanted to \
see http://tinyurl.com/za9pdbn please.
This is an issue which I hope is easy to fix:
Example regex: #(?<number>\d+)#
works perfectly fine if the groups name parameter ?<number>
is removed.
I, without fail, always click "generate permalink" before I realize that I should have clicked "generate." Maybe the permalink button should only show up after the diagram is shown?
Tested at http://regexper.com/
Consider the following expression: ^(?=\d{1,2}([-.,\/])\d{3,4}\1\d{4}$)$
d{1,2}
it says 'at most once'
instead of 'up to 2'
d{3,4}
it says '2…3 times'
instead of '3…4 times'
d{4}
it says '3 times'
instead of '4 times'
There seems to be missing a support for lookbehind.
According to this
http://www.regular-expressions.info/lookaround.html
Lookahead:
?= and ?!
Lookbehind:
?<= and ?<!
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