September 2013
Intermediate to advanced
114 pages
2h 51m
English
The following table provides an overview of the special symbols in regular expressions:
|
Symbol |
Meaning |
|---|---|
|
|
Match the corresponding letters literally |
|
|
Match the corresponding numbers literally |
|
|
Match one of the characters inside the braces |
|
|
Match any character that is not inside the braces |
|
|
Match one of the characters inside the range |
|
|
Match a digit |
|
|
Match a non-digit |
|
|
Match a letter, number, or underscore |
|
|
Match anything that is not a letter, number, or underscore |
|
|
Match any character except a newline |
|
|
Match a newline |
|
|
Match an actual dot (the backslash escapes the next character) |
|
|
Match the preceding item zero or one time |
|
|
Match the preceding item zero or more times ... |
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