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Implement the ability to search with true regexes #2761

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Implement the ability to search with true regexes #2761

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6 changes: 5 additions & 1 deletion coffee/lib/abstract-chosen.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ class AbstractChosen
@max_shown_results = @options.max_shown_results || Number.POSITIVE_INFINITY
@case_sensitive_search = @options.case_sensitive_search || false
@hide_results_on_select = if @options.hide_results_on_select? then @options.hide_results_on_select else true
@escape_special_characters = true

set_default_text: ->
if @form_field.getAttribute("data-placeholder")
Expand Down Expand Up @@ -165,7 +166,10 @@ class AbstractChosen
results = 0

searchText = this.get_search_text()
escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&")
if @escape_special_characters
escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&")
else
escapedSearchText = searchText
regex = this.get_search_regex(escapedSearchText)
highlightRegex = this.get_highlight_regex(escapedSearchText)

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7 changes: 7 additions & 0 deletions public/options.html
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Expand Up @@ -137,6 +137,13 @@ <h3>Example:</h3>
<p>By default Chosen's results are hidden after a option is selected. Setting this option to <code class="language-javascript">false</code> will keep the results open after selection. This only applies to multiple selects.</p>
</td>
</tr>
<tr>
<td>escape_special_characters</td>
<td>true</td>
<td>
<p>By default Chosen's search will escape any special characters. Setting this option to <code class="language-javascript">false</code> will allow the user to entire a javascript regex eg: <code>foo.*bar</code> will now match <code>foobazbar</code></p>
</td>
</tr>
<tr>
<td>rtl</td>
<td>false</td>
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