Do you seek to use or avoid it as a problem solver
I treat it similarly to SQL or CSS – use it where appropriate, but try to keep it behind an abstraction if possible. E.g. I would wrap a phone number RegEx in a function such as isValidPhoneNumber.
If it's simple to solve the problem without a RegEx then I'll solve it without the RegEx. But sometimes a RegEx is simpler, e.g. the above example.
how much do you understand it
RegEx language generally – I know the basic concepts well enough, but I always check reference materials and/or use a RegEx tool when implementing one.
Specific RegExs – I almost never re-use a RegEx without first taking it apart and making sure I understand what's going on (same with any code snippet really).
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Good. It's a useful tool.
I treat it similarly to SQL or CSS – use it where appropriate, but try to keep it behind an abstraction if possible. E.g. I would wrap a phone number RegEx in a function such as
isValidPhoneNumber.If it's simple to solve the problem without a RegEx then I'll solve it without the RegEx. But sometimes a RegEx is simpler, e.g. the above example.
RegEx language generally – I know the basic concepts well enough, but I always check reference materials and/or use a RegEx tool when implementing one.
Specific RegExs – I almost never re-use a RegEx without first taking it apart and making sure I understand what's going on (same with any code snippet really).