Full regular expressions may also be used in the search field.

In the 1960s, Thompson also began work on regular expressions.

Any regular expression may be used as the rule pattern.

A regular expression is then used by a special program or part of a programming language.

Regular expressions can be much more complex than these examples.

Sometimes they make decisions based on matching a regular expression.

As you can see above, some commands make use of regular expressions.

However, there are several programs which allow this (even with regular expressions).

The result is similar to that for regular expressions, and won't be detailed here.

You can create regular expression exceptions and all kinds of things.

Commands become far more effective when used together with regular expressions.

Note that the above cases are in effect the defining rules of regular expression.

A possible solution is to emphasize whole words only using the foobar regular expression. 17.3.7.

You do not need to use regular expression filters for most circumstances.

We consider two such regular expressions equal if they describe the same language.

However, it takes a regular expression as an argument instead of a simple string.

Feel free to skip this section if you already know how to use regular expressions.

As was mentioned earlier, it's probably best to build up your use of regular expressions slowly.

How do I efficiently match many regular expressions at once?

In a regular expression, it represents a match of any character.

Patterns are subject to an additional level of interpretation as a regular expression.

How can I do this with a regular expression?

The syntax is based on the use of regular expressions.

Regular expressions are actually reasonably simple, once you get the hang of them.

Construct a regular expression from the pattern given by pat.

Regex took off in the local area and created a large fan base.

If a regex is named, the modifier comes after the name.

It is well worth developing an acquaintance with regex, even if at an elementary level.

Note that regex takes two parameters compared to the matches function.

A regex updated to dealing with a leading space before quote character.

This Regex will capture all of the important fields into the following groups:

A named or anonymous regex that implies the and modifiers.

- Treat the regex as a Perl 5 regular expression.

I used regex as an example of something I would never want to have to write in assembler.

Powerful file selection and renaming tools, with advanced regex if needed.

In Cola, regex and pattern matching is part of the syntax.

If the regex matches against the attribute, then the remainder of the arguments are evaluated.

For this reason, some people have taken to using the term regex, regexp, or simply pattern to describe the latter.

For example, consider an add-on library for regex support on String.

Edwards had always felt a calling and also was pursuing a solo ministry, which left Regex without a full-time front man.

Changed the htfuzzy endings algorithm to use a more efficient regex system.

Simply placing a regex between slashes is shorthand for .

Additionally, the functionality of regex implementations can vary between versions.

Modifiers may be placed after any of the regex keywords, and before the delimiter.

Note that it is enough to find an evil subexpression in order to attack the full regex:

RegEx is supplied with a simple-to-use installation program, and requires no special software to be installed.

Text manipulation - anything from spell checking, to search and replace operations using regex, to natural language processing.

An operator form of anonymous regex that performs matches with arbitrary delimiters.

The regular-expression engine is derived from regex written by Henry Spencer.

Pattern matching - regex is integrated into perl.