regex101: PCRE (Legacy) Substitution Workspace

Pro

^start of line

Negative Lookahead(?![\s'-])

Character Class[\s'-]

\sany whitespace character

'the literal ' (39₁₀ / 47₈ / 27₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:[\s'-]{0,1}[\p{L}])+

+repeats the group contents below at least once:

Character Class[\s'-]{0,1}

{0,1}matches at most one character from the set below:

\sany whitespace character

'the literal ' (39₁₀ / 47₈ / 27₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[\p{L}]

\p{L}any Unicode letter

$end of line

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

g modifier: global. Finds all matches instead of stopping after the first

25 tokens

Regular Expression

^(?![\s'-])(?:[\s'-]{0,1}[\p{L}])+$

Masion
Délire
Vértige
Ma-Maison-Heueuse
Libre de Vivre
Combat d'El Toro
Mire er
L'école des Mimosa
sephorù
Владимир
Владими ладим
sephorù
中華人民共和國
Nippon-koku ou Nihon-koku
日本国
جزيرة العرب
Sephora55
55789
?yuiy
(hjk)
sephoraö

Substitution

Masion
Délire
Vértige
Ma-Maison-Heueuse
Libre de Vivre
Combat d'El Toro
Mire er
L'école des Mimosa
sephorù
Владимир
Владими ладим
sephorù
中華人民共和國
Nippon-koku ou Nihon-koku
日本国
جزيرة العرب
Sephora55
55789
?yuiy
(hjk)
sephoraö