Online tool to test regular expressions in JavaScript

Tool to try methods of the RegExp JavaScript object and check the syntax of regular expressions.

Enter a regular expression in the input field at right, and make use of the operators at bottom if you need for help.
The expression will be applied to each of the four text at left that you can modify too.

Examples of text
Regular expression

Generic codes : Space Digit Alphanumeric
Ignore case: General: Multilines:
Special character: \t \v \r \f \n

Regular Expression in JavaScript. The tutorial.

Tool to test operators.

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