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Regex Implementation #359

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Regex Implementation #359

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26 changes: 26 additions & 0 deletions examples.html
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Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,17 @@
availableTags: sampleTags,
removeConfirmation: true
});

//-------------------------------
// Regex enabled
//-------------------------------
$('#regexEnabled').tagit({
regexEnable: true,
regexPattern: /^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9]+(\.?[a-zA-Z0-9]+)?$/g,
onRegexFailure: function(evt, ui) {
$("#regexMessage").text("Wrong email!").fadeIn().delay(1000).fadeOut();
}
});

});
</script>
Expand Down Expand Up @@ -256,6 +267,21 @@ <h3>Remove Confirmation</h3>
</ul>
</form>

<hr>
<h3>Regex enabled</h3>
<form>
<p>
With the option regexEnable you can set any regular expression in the regexPattern property to filter the input.
</p>
<ul id="regexEnabled">
<li>[email protected]</li>
<li>[email protected]</li>
</ul>
<div style="height:5px">
<p id="regexMessage" style="{display: hidden}"></p>
</div>
</form>

</div>


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16 changes: 16 additions & 0 deletions js/tag-it.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,10 @@
// Used for autocomplete, unless you override `autocomplete.source`.
availableTags : [],

regexPattern : null, // Holds the regex to be utilized when regexEnable is true
regexEnable : false, // Enables regex
regexObj : null, // To hold RegExp() object

// Use to override or add any options to the autocomplete widget.
//
// By default, autocomplete.source will map to availableTags,
Expand Down Expand Up @@ -128,6 +132,10 @@

if (this.options.readOnly) this.tagInput.attr('disabled', 'disabled');

if (this.options.regexEnable) {
this.options.regexObj = new RegExp(this.options.regexPattern);
}

if (this.options.tabIndex) {
this.tagInput.attr('tabindex', this.options.tabIndex);
}
Expand Down Expand Up @@ -462,6 +470,14 @@
return false;
}

if (this.options.regexEnable && value !== '') {
that.options.regexObj.lastIndex = 0;
if (!that.options.regexObj.test(value)) {
this._trigger('onRegexFailure', null, {duringInitialization: duringInitialization});
return false;
}
}

if (this.options.tagLimit && this._tags().length >= this.options.tagLimit) {
this._trigger('onTagLimitExceeded', null, {duringInitialization: duringInitialization});
return false;
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