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javascript - Regex to remove all non... - Stack Overflow

I'm looking to use regex to try remove all non alpha-numeric characters from a string and replace spaces with a + All I want to permit is basically alphabetical words A-Z and + This...

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RegEx for Javascript to allow only alphanumeric

I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number.

validation - Best way to alphanumeric check in Javascript

Can you please suggest the best possible way to perform an alpha numeric check on an INPUT field in JSP? I have attached my current code and I know its no where close to...

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regex - Remove all non alphanumeric and... - Stack Overflow

I'm trying to remove any non alphanumeric characters ANY white spaces from a string. Currently I have a two step solution and would like to make it in to one. …

string - How is '2'+'2'-'2'= 20 in JavaScript? - Stack Overflow

I was just randomly playing around JavaScript. The '2'+'2'-'2' input I given to it. and the output is surprisingly 20. Now I am not getting it. Does anyone explain is to me Why it is like this?

arrays - Multiply 2 matrices in Javascript - Stack Overflow

I'm doing a function that multiplies 2 matrices. The matrices will always have the same number of rows and columns. (2x2, 5x5, 23x23, ...) When I print it, it doesn't work. Why?

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Possible Duplicate: Is there a RegExp.escape function in Javascript? ... regex tester download · javascript%2bregex%2bremove%2bnon%2balphanumeric