note
AnomalousMonk
<blockquote><i>
Most probably due to passing the regex as string instead of using <c>qr</C>.
</I></BLOCKQUOTE>
<p>
Most certainly due to this. If [doc://warnings] had been enabled, some <c>Unrecognized escape \s passed through ...</C> messages would have been seen. (And <c>\b</C> is a backspace IIRC.) The problem could also have been avoided by defining the regex as a <i>single</I>-quoted string, but I would not recommend this because I seem to remember that using single-quoted strings in this way still has some corner-case pitfalls. I agree: use of <c> qr// </C> is best here.
</P>
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