Regular Expressions: Looking for a Match

   
/*
JavaScript Bible, Fourth Edition
by Danny Goodman 

John Wiley & Sons CopyRight 2001
*/

<HTML>
<HEAD>
<TITLE>Got a Match?</TITLE>
<SCRIPT LANGUAGE="JavaScript1.2">
function findIt(form) {
    var re = new RegExp(form.regexp.value)
    var input = form.main.value
    if (input.search(re) != -1) {
        form.output[0].checked = true
    } else {
        form.output[1].checked = true
    }
}
function locateIt(form) {
    var re = new RegExp(form.regexp.value)
    var input = form.main.value
    form.offset.value = input.search(re)
}
</SCRIPT>
</HEAD>
<BODY>
<B>Use a regular expression to test for the existence of a string:</B>
<HR>

<FORM>
Enter some text to be searched:<BR>
<TEXTAREA NAME="main" COLS=40 ROWS=4 WRAP="virtual">
The most famous ZIP code on Earth may be 90210.
</TEXTAREA><BR>
Enter a regular expression to search:<BR>
<INPUT TYPE="text" NAME="regexp" SIZE=30 VALUE="\b\d\d\d\d\d\b"><P>
<INPUT TYPE="button" VALUE="Is There a Match?" onClick="findIt(this.form)">
<INPUT TYPE="radio" NAME="output">Yes
<INPUT TYPE="radio" NAME="output">No <P>
<INPUT TYPE="button" VALUE="Where is it?" onClick="locateIt(this.form)">
<INPUT TYPE="text" NAME="offset" SIZE=4><P>
<INPUT TYPE="reset">
</FORM>
</BODY>
</HTML>

1.	Searching and Replacing Substrings
2.	Regular Expression Tester
3.	The Regular Expression Tester
4.	Regular Expression Match Workshop
5.	Regular Expressions: Extracting Data from a Match
6.	Regular Expressions: Replacing Strings via Regular Expressions
7.	check Date format
8.	Split comma number string
9.	Use regular expression to validate url
10.	String match pattern: (.*)
11.	Whether a string is a valid phone number
12.	String replace with regular expression
13.	Finding a substring within a string
14.	Whether a string contains only numerical data
15.	Validate an email
16.	Using regular expressions to validate an email
17.	Using regular expression (callback function)
18.	Split a string array and get token
19.	Trim a string with regular expression from both sides
20.	The Backslash in RegExp
21.	Regular Expression Switch
22.	Try your regular expression here

Regular Expressions: Looking for a Match : Regular Expressions « Development « JavaScript DHTML

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