Every script and module uses these (included in my template for new files):

Also in my template, which I later comment out when things stabilize:

User interface:

Very handy:

Great for understanding (others') regular expressions:

If you have the need for XML parsing:

In reply to Re: Which modules provide highest return-on-investment? by toolic
in thread Which modules provide highest return-on-investment? by missingthepoint

Title:
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