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Asked: 2026-05-19T13:11:01+00:00

How do I modify my Javascript Regular expression to return the string: Collawan Annals

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How do I modify my Javascript Regular expression to return the string: “””Collawan Annals of Plastic Surger Jan 1999 vol 42 pg 21 26.”””?

How do I properly escape a double quote in a regexp range?

(attempt in Firebug):

>>> var input="Collawn \"Annals of Plastic Surgery\" Jan 1999 vol 42 pg 21 26"
>>> input.replace(/[\.,:\[\]-]/g, ' ');
"Collawn "Annals of Plastic Surgery" Jan 1999 vol 42 pg 21 26"
>>> input.replace(/[\.,:\[\]-\"]/g, ' ');
SyntaxError: invalid range in character class { message="invalid range in character class", more...}
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1 Answer

  1. Editorial Team

    The problem is not the " but the - – if you want it to mean a literal dash, you need to put it at the start or the end of the character class: 

    input.replace(/[.,:\[\]"-]/g, ' ');

    Otherwise A-Z means “any character from A to Z”, and your regex contained the equivalent of Z-A which is an invalid range ([-" would be ASCII 91 to 34).

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