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| No such thing as a small change | |
| PerlMonks |
Re^3: How to optimize a regex on a large file read line by line ?by RichardK (Parson) |
| on Apr 16, 2016 at 16:35 UTC ( [id://1160655]=note: print w/replies, xml ) | Need Help?? |
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There's no point trying to optimize your code if you're not sure what your data looks like. However index will be faster than a regex if you're only looking for a fixed string. As other people have recommended, profile your code and find out where the time is going.
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