(computing) Clipping of regular expression. [(computing theory) A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.]
regex
Definition, parts of speech, synonyms, and sentence examples for regex.
Editorial note
This can't really work 100% without exhaustively giving every string accepted by the regex, or giving every string not accepted by the regex.
Quick take
(computing) Clipping of regular expression. [(computing theory) A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.]
Meaning at a glance
The clearest senses and uses of regex gathered in one view.
Definitions
Core meanings and parts of speech for regex.
noun
(computing) Clipping of regular expression. [(computing theory) A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.]
Example sentences
This can't really work 100% without exhaustively giving every string accepted by the regex, or giving every string not accepted by the regex.
Unless they can provide a username that crashes fail2ban via blowing up the regex parsing...
If Github was pressured by people on Tumblr to use a regex to change the word, it would be a different story.
Possessive quantifiers are a way to prevent the regex engine from trying all permutations.
I can't load the site, so I'm not sure exactly what it's offering, but I'm also not sure what you mean by a regex for zipcodes.
One scenario I can imagine is a regex which doesn't properly handle multi-line inputs (quite common issue in ruby[1]).
A ton of people validate addresses using Regular Expressions but don't have the fortitude to copy-paste the monster regex needed to do it correctly.
In more details: ScanCode is Python app using a data-driven approach (as opposed to carefully crafted regex): - for license scan, the detection is based on a (large) number of license full texts (~900) and license notices/rules (~1800) and is data driven as opposed to regex-driven.
What regex does it generate for the inputs shown on that page?
Wouldn't someone running some service and handling say 10 requests/second, while using the regex global variables, run into this bug on a daily basis?
Or you misunderstood the purpose of the automatic regex generator.
An extraction task may be solved with a regular expression or may not, in the second case the regex generator is not the right tool for the job.
Quote examples
"Sophisticated" regex users don't need our tool: regex generator is intended for novice users or to demonstrate that we can automatically find solutions which are comparable with human ones.
Here is a regex that decides if the number is a prime: perl -lne '(1x$_)!~ /^1?$|^(11+?)\1+$/ && print "$_ is prime"' This goes beyond context-free, therefore I couldn't just say "context-free" carelessly in the article.
Proper noun examples
Regex generator searches for a regular expression taking into account other constraints---i.e: it prefers small regular expressions.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use regex in a sentence?
This can't really work 100% without exhaustively giving every string accepted by the regex, or giving every string not accepted by the regex.
What does regex mean?
(computing) Clipping of regular expression. [(computing theory) A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.]
What part of speech is regex?
regex is commonly used as noun.