Javascript RegEx "invalid quantifier"

Question

var search = new RegExp("<span class=\"highlight\">(?<text>.*)</span>", "g");

Is there something wrong with the RegEx? Firebug just says "invalid quantifier". Thats it, no more information.

pdu · Accepted Answer · 2012-01-24 07:38:14Z

1

The question mark quantifier is wrong there. You want to match and collect between the brackets (). Doing (? is wrong, if you want to match ( you should escape the brackets.

var search = new RegExp("<span class=\"highlight\">(<text>.*)</span>", "g");

answered Jan 24, 2012 at 7:38

pdu

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2 Comments

Alan Moore Over a year ago

I'm pretty sure the (?<text>.*) was supposed to be a named group, which isn't supported by JavaScript regexes. The equivalent non-named group would be (.*).

Display Name Over a year ago

@Alan Moore: Yeah, it was. I used the non-named group instead.

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