| паттерн | описание |
|---|---|
| . | Один любой символ |
| \d | Любая цифра |
| \D | Любой символ кроме цифры |
| \s | Любой пробельный символ |
| \S | Любой непробельный символ |
| \w | Любая буква, любая цифра и _ |
| \W | Не буква, не цифра и не _ |
| [...] | Любой из символов в скобках |
| [^...] | Любой символ не из скобок |
| \b | Начало или конец слова |
| \B | Не граница слова |
| ^ | Начало строки |
| $ | Конец строки |
| паттерн | описание |
|---|---|
| {n} |
Повторение ровно n раз |
| {n, m} |
От n до m повторений |
| {n,} | Хотя бы n повторений |
| {,m} |
Не больше m повторений |
| ? |
Не больше одного повторения - {0,1} |
| * |
Любое количество повторений - {0,} |
| + |
Хотя бы одно повторение - {1,} |
| паттерн | описание |
|---|---|
| text | точное совпадение: "text" |
| \d{3} | три любые цифры подряд |
| \b[A-z]{4}\b | слово из четырёх букв |
| [-+]?\d+ | целое число: "7", "+2", "-1", "42", "-100" |
\".*\"
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
\".*?\"
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted
two words: "here" and "there" are quoted