How to find a sequence of 3 characters, 'abb' is valid while 'abbb' is not valid, in JS using Regex (could be alphabets,numerics and non alpha numerics).  This question is a variation of the question that I have asked in here : How to...
I have a situation where I have text which contains URL links. The links are in 2 forms   www.stackoverflow.com <a href="http://www.stackoverflow.com">Stack over flow</a>   I am trying to create a simple function that uses regex t...
I'm trying to remove everything in a string that does not match 'standard' characters. Heres what I have so far:  var result = myString.replace(/^(?![A-Za-z0-9]+)/g, '');   Which does not work. Can someone point to me what I'm...
I have a string and i want to split it into array using the '|' character but not '\|':   var a = 'abc\&|\|cba'; var b = a.split(/([^\\])\|/);   result :  b = ["abc", "&", "|cba"]   expected out...
I need to match strings that don't contain a keyword (beta2) at an arbitrary position.  Consider:  var aStr    = [                 '/beta1/foo',                 'beta1/foo',                 '/beta1_xyz/foo',...
I have a requirement wherein I have below requiements to validate a name field:   don't allow following symbols: &(¥)*/+}{¿?¡_^~¨¬;:@!"#&\|-' can´t contain numbers can´t contain blank spaces at the begining or at the end...
I'm trying to create regular expression that math only lines that not containing specific word at the beginning of the line. In my case "deamon:".  My regex: (?!d)(?!e)(?!a)(?!m)(?!o)(?!n)(?!:).*\n   But this match the rest of line behind...
So, I have this if statement: if (String(val).search(/^((\d+(((\,\d{3,})+)?)(\.\d+)?)|(\.\d+))$/) !== -1)  Which says (as far as I am aware): The string must either start with at least one digit, or a .. If the string starts with a digit there can op...
I need to match every line that starts or ends with a single asterisk character without any other asterisk in between.  1.- foo BAR, FOO1*  2.- *FOO, bar% foo  3- *foo). BAR", fOo*  4.- **foo BAR foo  5.- *foo bar foo**  6.- foo bar * foo  7.- fo...

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