Feb 25, 2010 · To explain why your pattern didn't work, /-./ tells the regular expression engine to match a literal dash character followed by any character (dots are wildcard characters in …

The regular expression [a-zA-Z] will return incorrect values for some character encodings (e.g. EBCDIC, where there is a gap between i and j, and another between r and s (which includes …

Jun 29, 2015 · The regular expression ends in /ug. The u turns on unicode support, including the \p notation for specifying entire unicode character classes; and the g indicates global …

Aug 22, 2018 · I am trying Javascript's regular expression. I understand that '|' is used to or-ing two regular expression. I created a regex /^a*|b*$/, and I want it to detect any string that …

Sep 5, 2008 · My knowledge of regular expressions is not that good. That's why I check the general syntax with a simple regular expression first and check more specific options with …

Feb 8, 2018 · Found a tool which allows you to edit regular expression visually: JavaScript Regular Expression Parser & Visualizer. Update: Here's another one with which you can even …

Crucially, it also aligns with JavaScript's produced Date objects when passed those dates. Thus, no Date object can exist between 0000-01-01 through 9999-12-31 which is not validated …

Apr 5, 2012 · I want a regex in JavaScript for validating decimal numbers. It should allow only up to two decimal places. For example, it should allow 10.89 but not 10.899. It should also allow …

Oct 2, 2012 · Syntax Error: Invalid regular expression. by using the .match() function. You could always go back to the roots: !!note this code is for matchin an exact string, if you want to …

I'm trying to extract a substring from a file with JavaScript Regex. Here is a slice from the file : DATE:20091201T220000 SUMMARY:Dad's birthday the field I want to extract is "Summary". …