el.severo el.severo - 3 months ago 64
AngularJS Question

ng-pattern allow only letters, numbers, dot, underscore and dash

How'd allow for an input using

ng-pattern
only:
letters
,
numbers
,
dot
,
underscore
and
dash
( . _ -)
?

Already tried the following ones

UPDATE:

$scope.validationPattern = '/^[a-zA-Z\d\-\_]+$/';

<input ng-model="model" type="text" ng-pattern="{{validationPattern}}" />

Answer

Judging by your requirements, you need to add a dot to the pattern:

$scope.regex = '^[a-zA-Z0-9._-]+$';

and add ng-trim="false" to the <input> tag so as to disallow leading/trailing spaces.

See this plunkr

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