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JavaScript Tutorial/Regular Expressions/Match - История изменений
2026-04-04T17:26:59Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=JavaScript_Tutorial/Regular_Expressions/Match&diff=9883&oldid=prev
Admin: 1 версия
2010-05-26T08:25:32Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 08:25, 26 мая 2010</td>
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Admin
http://wbex.ru/index.php?title=JavaScript_Tutorial/Regular_Expressions/Match&diff=9882&oldid=prev
в 18:52, 25 мая 2010
2010-05-25T18:52:57Z
<p></p>
<p><b>Новая страница</b></p><div>== Match: [aA]==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Matching a single literal character</title><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function IsMatchingChar(str){<br />
var myRegExp = /[aA]/ ;<br />
return myRegExp.test(str)<br />
}<br />
function TestGuess(){<br />
alert(IsMatchingChar("A"));<br />
alert(IsMatchingChar("a"));<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<form><br />
<button type="Button" onclick="TestGuess()">Click here to guess</button><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Match: AAA|BBB==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function IsMatchingPerson(str){<br />
var myRegExp = /AAA|BBB/ ;<br />
return myRegExp.test(str)<br />
}<br />
function TestGuess(){<br />
alert(IsMatchingPerson("AAA"));<br />
alert(IsMatchingPerson("BBB"));<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<form><br />
<button type="Button" onclick="TestGuess()">Click here to guess</button><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Match: [A-Z][0-9]==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Matching a sequence of literal characters</title><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function IsMatchingCode(str){<br />
var myRegExp = /[A-Z][0-9]/ ;<br />
return myRegExp.test(str)<br />
}<br />
function TestGuess(){<br />
alert(IsMatchingCode("a3"));<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<form><br />
<button type="Button" onclick="TestGuess()">Click here to guess</button><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Matching a single literal character(It can be either a lower or upper case character)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Matching a single literal character(It can be either a lower or upper case character) </title><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function IsMatchingChar(str){<br />
var myRegExp = /[aA]/ ;<br />
return myRegExp.test(str)<br />
}<br />
function TestGuess(){<br />
alert(IsMatchingChar("A"));<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<h3>This page allows you to guess a single<br />
literal character of either case</h3><br />
<form><br />
<button type="Button" onclick="TestGuess()">Click here to guess</button><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Matching sequences of more than one literal character (The format is two upper case letters, a dash and three numbers)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Matching sequences of more than one literal character (The format is two upper case letters, a dash and three numbers)</title><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function IsMatchingCode(str){<br />
var myRegExp = /[A-Z]{2}-[0-9]{3}/ ;<br />
return myRegExp.test(str)<br />
}<br />
function TestGuess(){<br />
alert(IsMatchingCode("asdf"));<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<h3>This page allows you to choose a six character parts code</h3><br />
<form><br />
<button type="Button" onclick="TestGuess()">Click here to guess</button><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Regular Expressions: /a/==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Matching a single literal character</title><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function IsMatchingChar(str){<br />
var myRegExp = /a/;<br />
return myRegExp.test(str)<br />
}<br />
function TestGuess(){<br />
var guess = prompt("Enter a lower case character here","a");<br />
if (IsMatchingChar(guess)){<br />
alert("The correct answer was " + guess);<br />
}<br />
else{<br />
alert("Sorry " + guess + " doesn"t match");<br />
}<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<form><br />
<button type="Button" onclick="TestGuess()">Click here to guess</button><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Regular Expression Tester Form==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Regular Expression Tester</title><br />
<script type="text/javascript" language="javascript"><br />
<!-- //<br />
function TestString(){<br />
testString = document.SimpleForm.TestInput.value;<br />
var pattern = document.SimpleForm.FirstInput.value;<br />
myRegExp = new RegExp(pattern);<br />
<br />
if (myRegExp.test(testString)){<br />
alert("The test string: " +testString + "\nmatched the current pattern: " + myRegExp);<br />
} else{<br />
alert("The test string: " +testString + "\ndid not match the current pattern: " + myRegExp);<br />
}<br />
}<br />
function ClearAndSet(){<br />
document.SimpleForm.reset();<br />
SetFocus();<br />
MaxNum = 0;<br />
}<br />
// --><br />
</script><br />
</head><br />
<body><br />
<h3>This page allows you to create and test regular expression patterns</h3><br />
<form name="SimpleForm"><br />
<table><br />
<tr><br />
<td width="30%" align="right">Enter a pattern:</td><br />
<td><input name="FirstInput" type="text"></td><br />
</tr><br />
<tr><br />
<td width="30%" align="right">Enter a string to match the pattern:</td><br />
<td><input name="TestInput" type="text"></td><br />
</tr><br />
<tr><br />
<td width="25%" align="right"><button type="Button" onclick="ClearAndSet()"><br />
Clear and Start again</button></td><br />
<td><button type="Button" onclick="TestString()"><br />
Click to test the string you entered</button></td><br />
</tr><br />
</table><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== To match "b{0,1}rea{0,1}d"==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<SCRIPT LANGUAGE="JavaScript"><br />
<!--<br />
var sToMatch = "bread, bed bead sead sea";<br />
var reBreadReadOrRed = /b{0,1}rea{0,1}d/;<br />
alert(reBreadReadOrRed.test(sToMatch)); <br />
//--><br />
</SCRIPT><br />
</html></source><br />
<br />
<br />
<br />
== To match words bread, read, or red==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<SCRIPT LANGUAGE="JavaScript"><br />
<!--<br />
var sToMatch = "bread, bed bead sead sea";<br />
var reBreadReadOrRed = /b?rea?d/;<br />
alert(reBreadReadOrRed.test(sToMatch)); <br />
//--><br />
</SCRIPT><br />
</html></source></div>