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check if string contain number dart flutter

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Wrong Wallaby answered on July 6, 2020 Popularity 9/10 Helpfulness 5/10

answer check if string contain number dart flutter

related flutter check if string is number

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check if string contain number dart flutter

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void main() {
  var stringArr = ["Hello world", "Hello1 World", "H23llo", "H00Elo", "World"];

  for (var i = 0; i < stringArr.length; i++) {
    bool found = stringArr[i].contains(new RegExp(r'[0-9]'));
    print(stringArr[i] + " -> " + found.toString());
  }
}

Popularity 9/10 Helpfulness 5/10 Language dart

Source: www.codevscolor.com

Tags: contain dart flutter

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Contributed on Mar 04 2022

Wrong Wallaby

0 Answers Avg Quality 2/10

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flutter check if string is number

Comment

bool isNumeric(String s) {
 if (s == null) {
   return false;
 }
 return double.tryParse(s) != null;
}

Popularity 10/10 Helpfulness 10/10 Language dart

Source: stackoverflow.com

Tags: dart

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Contributed on Jul 06 2020

MeVyom

0 Answers Avg Quality 2/10

check if string is number dart

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//From coflutter.com

bool isNumericUsingRegularExpression(String string) {
  final numericRegex = 
    RegExp(r'^-?(([0-9]*)|(([0-9]*)\.([0-9]*)))$');

  return numericRegex.hasMatch(string);
}

Popularity 9/10 Helpfulness 5/10 Language whatever

Source: coflutter.com

Tags: dart whatever what

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Contributed on Nov 18 2022

Xanthous Xenomorph

0 Answers Avg Quality 2/10

flutter check if string contains only number

Comment

final b = RegExp(r'^[0-9]+$').hasMatch(s);

Popularity 8/10 Helpfulness 5/10 Language whatever

Source: programming-idioms.org

Tags: contains flutter flutte

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Contributed on Sep 15 2022

Yohannes Tesfay

0 Answers Avg Quality 2/10

check if string contain number dart flutter

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check if string contain number dart flutter

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flutter check if string is number

check if string is number dart

flutter check if string contains only number

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