In a regular expression, square brackets are used to indicate character classes, which matches any of the characters in the character set.| www.regular-expressions.info
Understanding how a regex engine works internally enables you to craft better regular expressions by learning how to think like a regex engine.| www.regular-expressions.info
In a regular expression, the dot matches any character except line breaks.| www.regular-expressions.info
Detailed description of the capabilities of the JavaScript RegExp Object, defined in the ECMA-262 standard.| www.regular-expressions.info
Explains the two regex flavors defined in the POSIX standard: Basic Regular Expressions and Extended Regular Expressions| www.regular-expressions.info
If you have written regular expressions before, you know that the regex syntax can be hard to keep track of. Certainly when writing a regex pattern that uses plenty of grouping and alternation.| www.regexbuddy.com
Unicode Regular Expressions| www.regular-expressions.info
Test for a match, or test for failure, without actually consuming any characters.| www.regular-expressions.info