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Javascript check if string contains specific characters.

Javascript check if string contains specific characters.

Javascript check if string contains specific characters Jul 31, 2024 · A string with only digits means it consists solely of numeric characters (0-9) and contains no other characters or symbols. Here are the different methods to check if the string contains only digits. You can make your answer applicable to the question by checking to see if the resulting value is strictly equivalent to the original value: original_value === resulting_value // Only Numbers . of loop, String. Check it out. This method is case sensitive. I tried to do it like this: Aug 21, 2013 · $ matches the end of the string; Alternatively, you can check whether there is any character that is not one of the allowed ones: var reg = /[^0-9. indexOf(). - symbol 3. Using includes() Method.