Regular expression on-line detection Tool recommendation

Regular Expressions (Regular Expression) are widely used in web development, which can be greatly facilitated by the use of this method.

However, the preparation and use of regular expressions is a more complex process. Many times, even if the expression is written out, it is not guaranteed to be correct.

So, is there a convenient way to detect? --there is. This site recommended to everyone a few excellent online detection of the results of regular expression sites.

Http://regexpal.com

Http://www.rubular.com

Http://regex.larsolavtorvik.com

Http://www.regextester.com

Http://www.nregex.com/nregex/default.aspx

Http://www.myregexp.com

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