How can I combine these two regex patterns for an AngularJS form field?
\d{4}([- ]*)\d{6,7}
OR
[a-zA-Z0-9]{4,12}
I attempted to do this like so:
<input type="text" pattern="\d{4}([- ]*)\d{6,7} | [a-zA-Z0-9]{4,12}" class="form-control" ng-model="formData.username" required placeholder="username">
To find the alternative of two regular expressions, it is necessary to enclose both in parentheses:
<input type="text" pattern="(\d{4}([- ]*)\d{6,7})|([a-zA-Z0-9]{4,12})" class="form-control" ng-model="formData.username" required placeholder="username">
The issue lies in the fact that angular utilizes a single pipe symbol for filters, which cannot be used within templates. In most cases, this would typically represent a binary OR operation; however, your specific situation may encounter complications...
To address this, one solution is to establish a controller variable that stores your desired pattern and then reference this variable in the template:
<input type="text" ng-pattern="myctrl.pattern" class="form-control" ng-model="formData.username" required placeholder="username">
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