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"Range out of order in character class" when trying to match common operators #352

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tommy-mitchell opened this issue Jul 10, 2022 · 0 comments · May be fixed by #353
Open

"Range out of order in character class" when trying to match common operators #352

tommy-mitchell opened this issue Jul 10, 2022 · 0 comments · May be fixed by #353

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@tommy-mitchell
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I'm trying to build a verbal expression to match common math operators:

new VerEx().anyOf(["+", "-", "*", "/", "^"])

However, arranging the characters in this order yields the error:

Invalid regular expression: /[\+-\*/\^]/: Range out of order in character class

Any other grouping works correctly (e.g, with the - first, third, etc.):

new VerEx().anyOf(["-", "+", "*", "/", "^"])
// VerbalExpression /[-\+\*/\^]/gm

Only the order with the - in the second index fails. Is this a bug?
shreyasminocha added a commit to shreyasminocha/TSVerbalExpressions that referenced this issue Jul 10, 2022
@shreyasminocha
Fix sanitization logic
a228f1f 
Borrowed from https://github.com/sindresorhus/escape-string-regexp

Fixes VerbalExpressions#352
@shreyasminocha shreyasminocha linked a pull request Jul 10, 2022 that will close this issue
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Fix sanitization logic shreyasminocha/TSVerbalExpressions
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@tommy-mitchell