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I'm looking for a regex javascript expression for allowing only numbers at this format 1234. Not 1,234 or 1.234. I'm having this regex now but it does not seem to work properly /[a-z]/i
/[a-z]/i
var reg = /^\d+$/;
should do it. The original matches anything that consists of exactly one digit.
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/[a-z]/iregex has to do with numbers? What was your intent? How did you use it?