I am trying to make a regex that will match this pattern,
Must be 40 characters long,
Must contain only letters and numbers,
Must contain no spaces,
Case insensitive,
So far I have come up with this but it does not work;
/^[0-9a-f]+$/i
Thanks
/^[0-9a-f]{40}$/i
should do the trick. The number in curly brackets defines the number of characters.
Try this regex:
/^[\da-z]{40}$/i
If you really only want the letters af then use:
/^[\da-f]{40}$/i
试试这个: /^[0-9a-z]{40,40}$/i
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