WebThere are already several good answers providing work-arounds for awk's inability to do non-greedy matches, so I'm providing some information on an alternative way to do it using Perl Compatible Regular Expressions (PCRE). Note that most simple "match and print" awk scripts can easily be re-implemented in perl using the -n command-line option, and more … WebThe non-greedy ? works perfectly fine. It's just that you need to select dot matches all option in the regex engines (regexpal, the engine you used, also has this option) you are testing …
Greedy and lazy quantifiers - JavaScript
WebMar 5, 2016 · I read your regexp a little too quickly; your [] is telling grep to grab everything that's not a single- or double-quote. ... egrep does not support non-greedy matching. Using perl mode -P will help you: grep -o -m1 -P 'https.*?mp3' example.txt Share. … WebIt's not the shortest possible match, just a short match. Greedy mode tries to find the last possible match, lazy mode the first possible match. But the first possible match is not necessarily the shortest one. Take the input string foobarbaz and the regexp o.*a (greedy) or o.*?a (lazy). The shortest possible match in this input string would be ... kurz langkampfen
How to reduce the greediness of a regular expression in AWK?
WebFor example \pd matches any "digit" character, as does \p{digit}.. Word Boundaries. The following escape sequences match the boundaries of words: < Matches the start of a word. > Matches the end of a word. \b Matches a word boundary (the start or end of a word). \B Matches only when not at a word boundary.. Buffer boundaries. The following match only … WebApr 5, 2024 · Quantifiers indicate numbers of characters or expressions to match. Note: In the following, item refers not only to singular characters, but also includes character classes, Unicode property escapes, groups and backreferences. WebJan 11, 2001 · The * is greedy; therefore, the .* portion of the regex will match as . much as it can and still allow the remainder of the regex to match. In . this case, it will match … javor prijedor