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Editorial Team
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Asked: 2026-06-15T05:23:17+00:00

Could you point me out a PCRE RegEx that would match only the first

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Could you point me out a PCRE RegEx that would match only the first letter of a string. I need to pass to Mongo DB, I’m concerning about performances at the moment I’m using ^a.

Examples:

MATCH

apple

alligator

NO MATCH

thanks

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1 Answer

  1. Editorial Team

    there are special tokens in PCRE to represent beginning and end of a string

    /^a/ => will match all strings that start with "a"
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