Created
December 11, 2008 18:53
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| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" | |
| "http://www.w3.org/TR/html4/loose.dtd"> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> | |
| <script src="http://code.jquery.com/jquery-latest.js"></script> | |
| <script type="text/javascript" src="http://jqueryjs.googlecode.com/svn/trunk/qunit/testrunner.js"></script> | |
| <link rel="stylesheet" href="http://dev.jquery.com/view/trunk/qunit/testsuite.css" type="text/css" media="screen" /> | |
| <!-- | |
| <script type="text/javascript" src="testrunner.js"></script> | |
| <link rel="stylesheet" href="testsuite.css" type="text/css" media="screen" /> | |
| --> | |
| <script type="text/javascript" src="regexp_safe.js"></script> | |
| </head> | |
| <body> | |
| <h1>QUnit test</h1> | |
| <h2 id="banner"></h2> | |
| <h2 id="userAgent"></h2> | |
| <ol id="tests"></ol> | |
| <div id="main"></div> | |
| </body> | |
| </html> | |
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| function regExpSafe(str) { | |
| try { | |
| new RegExp(str) | |
| return str | |
| } | |
| catch(e) { | |
| return regExpEscape(str) | |
| } | |
| } | |
| // http://snipplr.com/view/9649/escape-regular-expression-characters-in-string/ | |
| function regExpEscape(str) { | |
| var sp = new RegExp('[.*+?|()\\[\\]{}\\\\]', 'g') | |
| return str.replace(sp, '\\$&') | |
| } | |
| // qunit test | |
| $(document).ready(function(){ | |
| test('regExpEscape', function() { | |
| equals(regExpEscape('. .'), '\\. \\.') | |
| equals(regExpEscape('* *'), '\\* \\*') | |
| equals(regExpEscape('+ +'), '\\+ \\+') | |
| equals(regExpEscape('? ?'), '\\? \\?') | |
| equals(regExpEscape('| |'), '\\| \\|') | |
| equals(regExpEscape('[ ['), '\\[ \\[') | |
| equals(regExpEscape('] ]'), '\\] \\]') | |
| equals(regExpEscape('( ('), '\\( \\(') | |
| equals(regExpEscape(') )'), '\\) \\)') | |
| equals(regExpEscape('{ {'), '\\{ \\{') | |
| equals(regExpEscape('} }'), '\\} \\}') | |
| equals(regExpEscape('\\ \\'), '\\\\ \\\\') | |
| equals(regExpEscape('. * + ?'), '\\. \\* \\+ \\?') | |
| }) | |
| test('regExpSafe', function() { | |
| equals(regExpSafe('foo'), 'foo') | |
| equals(regExpSafe('foo*hoge+'), 'foo*hoge+') | |
| equals(regExpSafe('foo(hoge'), 'foo\\(hoge') | |
| equals(regExpSafe('( [ {'), '\\( \\[ \\{') | |
| }) | |
| }) |
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