JavaScript compile() Method
 JavaScript RegExp Object
Definition and Usage
The compile() method is used to compile a regular expression during execution
of a script.
The compile() method can also be used to change and recompile a regular
expression.
Syntax
| RegExpObject.compile(regexp,modifier) |
| Parameter |
Description |
| regexp |
The regular expression |
| modifier |
Specifies the type of matching. "g" for a global match, "i"
for a case-insensitive match and "gi" for a global, case-insensitive match |
Example
Example
Do a global search for "man" in a string, and replace it with "person". Then
change the regular expression and replace either "man" or "woman" with "person",
with the compile() method:
<script type="text/javascript">
var str="Every man in the world! Every woman on earth!";
patt=/man/g;
str2=str.replace(patt,"person");
document.write(str2+"<br />");
patt=/(wo)?man/g;
patt.compile(patt);
str2=str.replace(patt,"person");
document.write(str2);
</script>
|
The output of the code above will be:
Every person in the world! Every woperson on earth!
Every person in the world! Every person on earth! |
Try it yourself »
|
JavaScript RegExp Object
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