I'm trying to create a perl regular expression that matches a URL that is not preceded by an equal sign and one single or double quote (optional) ignoring whitespace. The code below gives an error: Warning: preg_replace(): Compilation failed: lookbehind…
I'm having some trouble matching/replacing the ZWSP unicode encoded as UTF8 ZWSP: x20x0B ZWSP (UTF8): xE2x80x8B As an extra test case I have used NBSP (Non-breaking space) which works as expected All preg_replace are in UTF8 mode /u When matching…
i'll start with an example because i'm not sure i can explain this properly. the easier part of the problem (i think although i can't get it either): take some strings eg. 'Example', 'DOMNode', 'DOMText', 'DOMElement' and output '(Example|DOM(Node|Text|Element))' a…
I have this string: 'newProductsInfo: [[1] - $2 dollars,[2] New Product,[3] Hello,[4]Same, [5]Value]' The word 'newProductsInfo', and a space ' ' always precede the array of strings. I want to be able to return [1] - $2 dollars [2] New…
I have a large collection I'm searching through on mongodb. (Supports PCRE v8.42) Let's say I'm trying to find where "comment" contains "alpha bravo" where the field value of "name" doesn't immediately follow In other words, match $regex: "alpha bravo…
I need to print only the 1st match from each line. My file contains text something like this: cat t.txt abcsuahrcb abscuharcb bsaucharcb absuhcrcab He is the command I am trying with: cat t.txt | grep -oP 'a.*?c' It gives:…
tl;dr: I am searching for a way to match the closing character sequence based upon the style of the opening sequence syntax in PHP with PCRE-style regular expressions. The task I am writing a module to capture all translatable strings…