Simple Js Regular Expression: filter out extra characters

Source: Internet
Author: User

Simple Js Regular Expression: filter out extra characters

Regular Expression is used to remove repeated characters in a string. A simple JavaScript regular expression is used to filter out redundant characters in a string containing repeated strings.

The Code is as follows:

Copy to ClipboardReference: [] <Head>
<Title> use regular expression to remove repeated characters in a string </title>
<Script language = "javascript">
Str = "Google"
Str1 = str. replace (/(.). * \ 1/g, "$1 ")
Document. write (str + "<br> ");
Document. write (str1 );

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