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2010-05-26T08:25:31Z

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в 18:52, 25 мая 2010

2010-05-25T18:52:57Z

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== RegExp()==

<p>Syntax</p>



<source lang="javascript">
var variable = new RegExp(pattern, flags)</source>

<p>The RegExp() object represents a regular expression that is used for pattern matching.</p>
<p>The creation of the object takes pattern and flags parameters.</p>
<p>The pattern is a valid regular expression. The flags are either or both g (global) and i (ignore case).</p>
<p>Properties and Methods of the RegExp() Object</p>
Property/Method
Description
RegExp.$*
Represents multiline
RegExp.$&
Represents lastmatch
RegExp.$_
Represents input
RegExp.$`
Represents leftContext
RegExp.$"
Represents rightContext
RegExp.$+
Represents lastParen
RegExp.$1,$2,...$9
Represents substring of matches
compile()
Compiles a regular expression
exec()
Executes the search for a match in a specified string
global
_Specifies whether to check the expressions against all possible matches
ignoreCase
Whether case is ignored or not during a string search
input
String that is matched
lastIndex
_Specifies the index at which to start matching the next string.
lastMatch
Last matched characters
lastParen
The last parenthesized substring match
leftContext
The substring preceding the most recent match
multiline
Specifies whether to search on multiple lines
rightContext
The substring following the most recent match
source
The string pattern
test()
Tests for a string match

== RegExp,$* (1)==

<p>The RegExp,$* property reflects a multiline string search.</p>
<p>This is a Boolean, read-only value that reflects whether or not strings should be searched across multiple lines.</p>
<p>This is the same as using the multiline property.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
<form name="form1">
<textarea name="mytext" cols="60" rows="8" onChange="getinfo()">
Change me and click outside to see the result.
</textarea>
<br>
</form>
</body>
</html></source>

== RegExp.$1,$2,..$9==

<p>The RegExp.$1,$2,..$9 property represents parenthesized substring matches.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript1.2">

</script>
<form name="form1">
Enter your 7 digit phone number in the form xxx-xxxx
<br><br><br>
Phone Number (7 digits):<input type="text" name="text1" size=10>
<br><br>
<input type="button" value="Swap" onClick="swap()">
<br><br><br>
Output: <input type="text" name="text2" size=10
</form>
</body>
</html></source>

== RegExp.$& (2)==

<p>The RegExp.$& property represents the last matched characters.</p>
<p>This is the same as using the lastMatch property.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp,$_ (3)==

<p>The RegExp,$_ property represents the input to which a string is matched.</p>
<p>This is the same as using the input property.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
<form name="form1">

<br><br>
Enter some Text and click outside:
<input type="text" name="mytext" size="40" onChange="getinput()">
<br>
</form>
</body>
</html></source>

== RegExp.$` (4)==

<p>The RegExp.$` property represents the substring preceding the most recent pattern match.</p>
<p>This is the same as using the leftContext property.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.$" (5)==

<p>The RegExp.$" property represents the substring following the most pattern match.</p>
<p>This is the same as using the rightContext property.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.$+ (6)==

<p>The RegExp.$+ property represents the last parenthesized substring pattern match.</p>
<p>This is the same as using the lastParen property.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.compile()==

<p>Syntax</p>



<source lang="javascript">
regexp.rupile(pattern, flag)</source>

== RegExp.exec()==

<p>Syntax</p>



<source lang="javascript">
regexp.exec(string)</source>

== RegExp.global==

<p>The global property specifies whether or not the g flag is used with the regular expression.</p>
<p>If so, a global pattern match will be performed.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.ignoreCase==

<p>The ignoreCase property is a flag that informs the user if case is to be ignored during pattern matching or not.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.input==

<p>The input property represents the string on which the pattern matching is performed.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript1.2">

</script>
<form name="form1">
<br><br>
Enter some Text and click outside:
<input type="text" name="mytext" size="40" onChange="getinput()">
<br>
<br><br><br><br><br><br><inputtype=name=size=<br><br><inputtype=value=</form>
</body>
</html></source>

== RegExp.lastIndex==

<p>The lastIndex property gets the index of where the next match begins.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.lastMatch==

<p>The lastMatch property represents the last matched characters.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.lastParen==

<p>The lastParen property represents the last parenthesized substring match.</p>
<p>It returns a string value for the last parenthesized substring.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.leftContext==

<p>The leftContext property represents the substring preceding the most recent pattern match.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.multiline==

<p>The multiline property determines whether pattern matching should be performed across multiple lines.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
<form name="form1">
<br><br>
<textarea name="mytext" cols="60" rows="8" onChange="getinfo()">
Change me and click outside
</textarea>
<br>
</form>
</body>
</html></source>

== RegExp.rightContext==

<p>The rightContext property represents the substring following the most recent pattern match.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.source==

<p>The source property represents the text being used for pattern matching.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

== RegExp.test()==

<p>The test() method tests for a pattern match in a string.</p>
<p>Returns Boolean value true or false.</p>



<source lang="javascript">
<html>
<body>
<script language="JavaScript">

</script>
</body>
</html></source>

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Admin: 1 версия

в 18:52, 25 мая 2010