TheCloud/learn-regex
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GrayLand 2017-11-24 17:07:30 +08:00
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@ -106,7 +106,7 @@ square brackets. The meta characters are as follows:
|[ ]|Character class. Matches any character contained between the square brackets.| |[ ]|Character class. Matches any character contained between the square brackets.|
|[^ ]|Negated character class. Matches any character that is not contained between the square brackets| |[^ ]|Negated character class. Matches any character that is not contained between the square brackets|
|*|Matches 0 or more repetitions of the preceding symbol.| |*|Matches 0 or more repetitions of the preceding symbol.|
|+|Matches 1 or more repetitions of the preceding symbol. |+|Matches 1 or more repetitions of the preceding symbol.|
|?|Makes the preceding symbol optional.| |?|Makes the preceding symbol optional.|
|{n,m}|Braces. Matches at least "n" but not more than "m" repetitions of the preceding symbol.| |{n,m}|Braces. Matches at least "n" but not more than "m" repetitions of the preceding symbol.|
|(xyz)|Character group. Matches the characters xyz in that exact order.| |(xyz)|Character group. Matches the characters xyz in that exact order.|