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Regex to strip everything except <h3>, <h4> and <h5> tags and the text within these tags
Platform: javascript
Input: <div><p>Some text</p><h3><a href ="#">link text here</a></h3></div>
Output: <h3>link text here</h3>
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I ran into an interesting situation where back references overwrite previous changes in a regular expression.
I needed a regular expression that updated a pattern but also checked for something that comes before the pattern. It should leave everything before the pattern as it was before the updates. There can be multiple matches of ...
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Hi,
I have a validation criteria which says:
a number cannot start with "000" which is 9 digits in length. And it needs to be in one expression.
Can somebody help me in writing a regular expression for this?
Thank you
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This has been driving me crazy all day.
Is there any way to match newlines or linebreaks in a textarea html element. I am not talking about when a user adds a line break by hitting enter for example. I am talking about when the browser automatically returns a newline or wraps the line. These breaks need to be matched via ...
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The problem is with the way you are looking. When you check the character before the , you are telling the regular expression to include it. Use this expression which has a lookbehind expression in it. It will check the character before the comma and not include it in the match.
(?<=[^\\]),
I hope that helps,
Brendan
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First I will let you know, that you should give a better description of what you want. Do you need to know how to do the javascript or the regex or both? Should a single letter be a match? I assume that you need at least 2 values for it to be a match, and I am also just guessing that when you say single spaces you will allow more than one ...
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Good Day.
I am using the following code to validate data on a HTML page
function checkTermMoYr (strng) {
var error = "";
if (strng == "") {
error = "You didn't enter a Loan Term.\n";
}
//var illegalChars = /\W/;
var illegalChars = \s;
// allow only letters, numbers, ...
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im trying to convert a string into arrays in javascript using split() function.
how to i split a string using spaces as a delimiter but ignoring spaces enclosed by double quotes. ie: john robert "peter rabbit"
?
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given the following pattern:
(?<Left>\[)\w*(?(Left)\]) intend to match: [somwthing][][39]xyz not match: [aaf] but it seems named backreferences are not supported in javascript Firefox just complains about: “Error: invalid quantifier” any way to figure out this ?
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