Using regex in Javascript to replace a part of the string

Question

I have some text I am trying to replace a part of with regex in Angularjs.

The text will be in the format:

Name: Jane
Age: 66
Address: 31 Test Street

I would like to replace the part after Age: with 'REDACTED' (so 66 will not appear), so I have created this filter which to me seems like it should work:

angular.module('person')
    .controller(controllerId, personControl)
.filter('ageFilter', function () {
    return function (text) {
        if (text)
            return text.replace(/[\n\r].*Age: \s*([^\n\r]*)/, 'REDACTED');
        return '';
    }
});

The relevant part of the html:

<dd ng-bind-html="vm.model.PERSON_INFO | ageFilter"></dd>

The filter is hit but the text is never replaced. My regex works when I test on Regex test websites, so I think I may be doing something else wrong which I cannot see.

Just a pointer, should you not assign the return value so that it is reflected in view? — Rajesh Dixit
– Rajesh Dixit, Commented Nov 24, 2017 at 5:38
I think that problem is with your text, will it have \n in it? — Wasif Khan
– Wasif Khan, Commented Nov 24, 2017 at 5:49
Shouldn't text.replace(/^(Age:[\t ]*).*/m, '$1REDACTED'); suffice? See this regex demo. BTW, your regex does not work well. — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Nov 24, 2017 at 7:44

Cracker · Accepted Answer · 2017-11-24 07:38:28Z

1

Try this:

return text.replace(/([\n\r]+.*Age: )(\s*)([^\n\r]*)/, '$1REDACTED$2')

answered Nov 24, 2017 at 7:38

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