Mexico Unique Population Registration Code (CURP)

Clave Única de Registro de Población (CURP) is a unique code which identifies all Mexican citizens and residents.

Mexican CURP — Validates Mod 11 checksum with state character.

Regex expressions	Description	Score
`\b[A-Z][AEIOU][A-Z]{2}[0-9]{2}(?:0[1-9]\|1[0-2])(?:[1-2][0-9]\|0[1-9]\|3[0-1])[HM][A-Z]{2}[B-DF-HJ-NP-TV-Z]{3}(?:[0-9]\|[A-Z])[0-9]\b`	Matches an 18-character long case-sensitive string, where: Character 1: A-Z Character 2: AEIOU Character 3–4: A-Z Character 5–6: 01–99 Character 7–8: 01–12 Character 9–10: 01–31 Character 11: H or M Character 12–13: A-Z Character 14–16: A-Z without vowels Character 17: 0–9 or A-Z Character 18: 0–9	1
`\b[a-z][aeiou][a-z]{2}[0-9]{2}(?:0[1-9]\|1[0-2])(?:[1-2][0-9]\|0[1-9]\|3[0-1])[hm][a-z]{2}[b-df-hj-np-tv-z]{3}(?:[0-9]\|[a-z])[0-9]\b`	Matches an 18-character long case-sensitive string, where: Character 1: A-Z Character 2: AEIOU Character 3–4: A-Z Character 5–6: 01–99 Character 7–8: 01–12 Character 9–10: 01–31 Character 11: H or M Character 12–13: A-Z Character 14–16: A-Z without vowels Character 17: 0–9 or A-Z Character 18: 0–9	1

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