Regular Expressions 101

^start of line

Positive Lookahead(?=.*[а-я])

.*any character (except for line terminators), repeated any number of times

Character Class[а-я]

а-яone character from а (1072₁₀) to я (1103₁₀) (case sensitive)

Positive Lookahead(?=.*[А-Я])

.*any character (except for line terminators), repeated any number of times

Character Class[А-Я]

А-Яone character from А (1040₁₀) to Я (1071₁₀) (case sensitive)

Character Class[а-яА-Я]+

+matches at least one character from the set below:

а-яone character from а (1072₁₀) to я (1103₁₀) (case sensitive)

А-Яone character from А (1040₁₀) to Я (1071₁₀) (case sensitive)

$end of line

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

^(?=.*[а-я])(?=.*[А-Я])[а-яА-Я]+$

New

qwerty1
QWERTY1q
qwERTy
QWERTY1
QWER TY1q

Мама
авТо
гриБ
Яблоко
яБлоко
ябЛоко
яблОко
яблоКо
яблокО


агент007
стриж
ГТО
Три богатыря