How to use a regular expression in Dart to find substring within string

Question

I have a problem with the regular expression to look for a substring within a string.

void main(){

  var string = "HOLA MUNDO";

  RegExp exp = new RegExp(r'/MUNDO/',caseSensitive: false,);
  exp.hasMatch(string)==true? print('Match'): print('nope');


}

jdc · Accepted Answer · 2019-04-17 15:15:39Z

1

I don't believe the / at the front of the RegExp works in Dart (or, at least not the way you may have intended). Try RegExp exp = new RegExp(r"MUNDO", caseSensitive: false);. Your regex is failing because it tries to match a literal '/' in the string.

answered Apr 17, 2019 at 15:15

jdc

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