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
Learn how to use regular expressions with Tcl’s regexp and regsub commands| www.regular-expressions.info
In a regular expression, shorthand character classes match a single character from a predefined set of characters.| www.regular-expressions.info
In a regular expression, POSIX bracket expressions can be used to match one of a certain kind of characters.| 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
The Just Great Software regular expression engine provides a powerful blend of the most popular regular expression flavors| www.regular-expressions.info
Learn how to use the regular expression classes that are part of the JDK 1.4 and later.| 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