/(7722/|59001/)/

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If the slash is used as the delimiter, you can't use it as literal, you have to backslash it. Or, switch to a different delimiter: 

/(7722\/|59001\/)/
# or better:
m=(7722/|59001/)=

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لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^5: Use of uninitialized value in pattern match (m//) by choroba
in thread Use of uninitialized value in pattern match (m//) by chris01010

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