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I'm trying to validate a field named phone_number with this rules:
the first digit should be 3 then another 9 digits so in total 10 number example: 3216549874
or can be 7 numbers 1234567
here i have my code:
if (!($("#" + val["htmlId"]).val().match(/^3\d{9}|\d{7}/)))
missing = true;
Why doesnt work :( when i put that into an online regexp checker shows good.
890
The match() method returns an array with the matches. The match() method returns null if no match is found.
JavaScript | RegExp test() Method The RegExp test() Method in JavaScript is used to test for match in a string. If there is a match this method returns true else it returns false. Where str is the string to be searched.
match() is an inbuilt function in JavaScript used to search a string for a match against any regular expression. If the match is found, then this will return the match as an array.
The g flag indicates that the regular expression should be tested against all possible matches in a string.
You should be using test instead of match and here's the proper code:
.test(/^(3\d{9}|\d{7})$/)
Match will find all the occurrences, while test will only check to see if at least one is available (thus validating your number).
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