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Asked: 2026-05-20T05:30:48+00:00

Pattern is Regex splRegExp = new System.Text.RegularExpressions.Regex(@[\,@,+,\,?,\d,%,.,?,*,&,^,$,(,!,),#,-,_]); All characters work except ‘-‘. Please advise.

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Pattern is 

Regex splRegExp = new System.Text.RegularExpressions.Regex(@"[\,@,+,\,?,\d,%,.,?,*,&,^,$,(,!,),#,-,_]");

All characters work except ‘-‘. Please advise.

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1 Answer

  1. Editorial Team

    Use

    @"[,@+\\?\d%.*&^$(!)#_-]"

    No need for all those commas.

    If you place a - inside a character class, it means a literal dash only if it’s at the start or end of the class. Otherwise it denotes a range like A-Z. As Damien put it, the range ,-, is indeed rather small (and doesn’t contain the -, of course).

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