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How to write regular expressions in ocaml?
How can I write a regular expression for "z1" + "z2" (z1 or z2) ?
I tried this way, but it is giving me errors.
let p = Str.regexp "("z1")|("z2")";;
If you intend to match double quotes in your input you should escape them:
And you can shorten the alternation using
z1|z2:Otherwise, if double quotes aren’t part of the input, the pattern should be: