Regular Expressions

Use regular expressions to find or replace complex patterns within text.

This tool uses PHP Perl Compatible Regular Expressions. The find pattern is automatically surrounded with necessary delimiters. Pattern modifiers are appended according to the selected options. For a good tutorial and examples have a look at Regular-Expressions.info.


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. ^ $ [ ] | ( ) * + ? { } \ \d \D \s \S \w \W \b \B