| 구분 | 항목 | 내용 | 설명 |
| 기본 매치 | 원본소스 | Hello, world | |
| Rexp | Hello | ||
| First Match | Hello, world | ||
| All matches | Hello, world | ||
| Rexp | hello | ||
| First Match | Hello, world | ||
| All matches | Hello, world | ||
^ 캐럿 - First 매치 $ 달러 - Last 매치 | 원본소스 | who is who | |
| Rexp | ^who | ||
| First Match | who is who | ||
| All matches | who is who | ||
| Rexp | who$ | ||
| First Match | who is who | ||
| All matches | who is who | ||
| Escape | 원본소스 | $12$\-\ $25$ | |
| Rexp | ^$ | ||
| First Match | $12$\-\ $25$ | ||
| All matches | $12$\-\ $25$ | ||
| Rexp | \$ | ||
| First Match | $12$\-\ $25$ | ||
| All matches | $12$\-\ $25$ | ||
| Rexp | ^\$ | ||
| First Match | $12$\-\ $25$ | ||
| All matches | $12$\-\ $25$ | ||
| Rexp | \$$ | ||
| First Match | $12$\-\ $25$ | ||
| All matches | $12$\-\ $25$ | ||
| Rexp | \\ | ||
| First Match | $12$\-\ $25$ | ||
| All matches | $12$\-\ $25$ | ||
| . | 원본소스 | Reqular expressions are powerfull!!! | |
| Rexp | . | Any character | |
| First Match | Reqular expressions are powerfull!!! | ||
| All matches | Regular expressions are powerfull!!! | 모든 문자 | |
| Rexp | ...... | ||
| First Match | Reqular expressions are powerfull!!! | ||
| All matches | Rregular expressions are powerful!!! | 6개씩 선택되므로, 나머지 5는 선택되지 않음 | |
| 원본소스 | O.K. | ||
| Rexp | . | ||
| First Match | O.K. | ||
| All matches | O.K. | ||
| Rexp | \. | ||
| First Match | O.K. | ||
| All matches | O.K. | ||
| Rexp | \..\. | ||
| First Match | O.K. | ||
| All matches | O.K. | ||
[] 스퀘어 브라켓 | 원본소스 | How do you do? | |
| Rexp | [oyu] | [] 괄호사이는 문자하나를 의미 | |
| First Match | How do you do? | ||
| All matches | How do you do? | ||
| Rexp | [dH]. | ||
| First Match | How do you do? | ||
| All matches | How do you do? | ||
| Rexp | [owy][yow] | ||
| First Match | How do you do? | ||
| All matches | How do you do? | oy, oo, ow, wy, wo, ww, yy, yo, yw 중에서 선택됨 | |
- 데시 | 원본소스 | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | |
| Rexp | [C-K] | [CDEFGHIJK] 와 같음 | |
| First Match | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| All matches | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| Rexp | [a-d] | ||
| First Match | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| All matches | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| Rexp | [2-6] | ||
| First Match | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
All matches | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| Rexp | [C-Ka-d2-6] | ||
| First Match | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| All matches | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| Rexp | [^CDghi45] | [^] 스퀘어 브라켓 안의 ^은 Not을 의미한다. | |
| First Match | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
| All matches | ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 | ||
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