objective c - I need perticular regular expression for my data check -


i new in regular expression. have allow users input type of data.

  1. the string must start w or w.
  2. the string must have minimum 2 "/".
  3. the string must have character or number after /.
  4. after second / there should minimum 1 number.

please me out. stucking 2-3 hours.

how about:

^(?i)w[a-z0-9]*(?:/[a-z0-9]+)+/(?=.*\d+)[a-z0-9]*$

if want digits after last slash:

^(?i)w[a-z0-9]*(?:/[a-z0-9]+)+/\d+$

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