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Editorial Team
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Asked: 2026-06-12T10:10:53+00:00

I made this function to check if the first character is a letter. function

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I made this function to check if the first character is a letter.

function isLetter($string) {
  return preg_match('/^\s*[a-z,A-Z]/', $string) > 0;
}

However, if I check a sentence that starts with a coma (,) the functions returns true. What is the proper regex to check if the first letter is a-z or A-Z?

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1 Answer

  1. Editorial Team

    You just need to remove the comma:

    '/^\s*[a-zA-Z]/'
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