If '[' special character is used in regex constructor object, it throws Invalid regular expression: /mat[/: Unterminated character class function findMatch() { var string="Find the match"; var text = "Mat["; string.replace(new RegExp(text, 'gi'), "found") } Why this error is occuring…
I am trying to extract all words that start from 'M' character. For example I have a string: "[{"name": "Mary", "type": "Dog"}, {"name": "Max", "type": "Dog"}]" I want to get: "Mary, Max" I tried to regex_replace([{"name": "Mary", "type": "Dog"}, {"name":…
I have a list of strings time:1001 name:foo avg:5.7 time:1002 time:1003 avg:1.2 time:1004 name:f time:1005 name:bar avg:2.1 I want to pick out the strings which match time:value name:value avg:value exactly and extract [time, 1001], [name, foo], [avg, 5.7] [time, 1005],…
On a Flutter TextField I have the following FilteringTextInputFormatter: FilteringTextInputFormatter.allow(RegExp(r"^d+.?d{1,2}")); It tries to match a decimal number up to two places, but I can't input any numbers into the TextField. https://regexr.com/7fpho
I'm using preg_match_all() like this: preg_match_all('/("user":"(.*?)".*?-->)/', $input_lines, $output_array); On a string, the idea is that I want it to get whatever comes after "user" in a commented out block (it's a long story). So let's say $input_lines is something like:…
i have a list of opening hours that more or less are in this kind of format, one value for one entire day: [ "", "Closed", "8:30 AM–7:30 PM", "9 AM–12:30 PM, 2:30–7:30 PM", "2:30–7:30 PM", "3–7 PM", "10 AM–7 PM", "8 AM–1 PM, 2:30–7 PM", "8 AM–1 PM, 2–7 PM", "8 AM–8:30 PM", "9 AM–12 PM, 2:30–7 PM", "Open…
Well, I've a Multiline Text like below. I want to extract the first Matched Content value (Here, 10) after Messi: using JavaScript Regular Expressions. The Matching String (Messi: ) Can be on any line. Neymar: 11 Messi: 10 Ronaldo: 7…
I want to wrap an apostrophe that appears in h1 tags and character immediately before it. e.g. <h1>Can't</h1> would be like this <h1>Ca<span>n'</span>t</h1> I can do the apostrophe part using the following $("h1:contains('')").html(function(_, html) { return html.replace(/(')/g, '<span>$1</span>'); }); span…
I'm trying to create a regex expression to pick out valid emails from anywhere in a string of text. My current regex works fine for most cases, but the overall length limit of 254 chars (applied using a negative lookahead)…
I have the following function which I want to pass anyelement and it should return whether it is a valid URL by matching the regex: CREATE OR REPLACE FUNCTION isURL(data anyelement) RETURNS BOOLEAN AS $$ BEGIN RETURN data::text ~ '^https?://[-a-zA-Z0-9@:%._+~#=]{2,255}.[a-z]{2,6}(/[-a-zA-Z0-9@:%._+~#=]*)*(?[-a-zA-Z0-9@:%_+.~#()?&//=]*)?$';…