/z+/
在连续出现一次或多次时匹配字母z
。它会在以下所有字符串中找到匹配项: “Z”但它没有在以下字符串中找到匹配项,因为没有字母
“ZZZZZZ”
“ABCzzzz”
“zzzzABC”
“abczzzzzzzzzzzzzzzzzzzzzabc”
z
字符: “”
“ABC”
“ABCABC”
greedy
正则表达式,在一群其他人中找到一个或多个罪犯。罪犯由大写字母C
。 one
犯罪(“ C
中”), "C"
testString: 'assert("C".match(reCriminals) && "C".match(reCriminals)[0] == "C", "Your regex should match one
criminal ("C
") in "C"
");'
- text: 您正则表达式应该匹配two
罪犯(“ CC
中”) "CC"
testString: 'assert("CC".match(reCriminals) && "CC".match(reCriminals)[0] == "CC", "Your regex should match two
criminals ("CC
") in "CC"
");'
- text: 你的正则表达式应匹配"P1P5P4CCCP2P6P3"
中的three
罪犯(“ CCC
”)
testString: 'assert("P1P5P4CCCP2P6P3".match(reCriminals) && "P1P5P4CCCP2P6P3".match(reCriminals)[0] == "CCC", "Your regex should match three
criminals ("CCC
") in "P1P5P4CCCP2P6P3"
");'
- text: 你的正则表达式应匹配"P6P2P7P4P5CCCCCP3P1"
中的five
罪犯(“ CCCCC
”)
testString: 'assert("P6P2P7P4P5CCCCCP3P1".match(reCriminals) && "P6P2P7P4P5CCCCCP3P1".match(reCriminals)[0] == "CCCCC", "Your regex should match five
criminals ("CCCCC
") in "P6P2P7P4P5CCCCCP3P1"
");'
- text: 你的正则表达式不应该匹配""
中的任何罪犯
testString: 'assert(!reCriminals.test(""), "Your regex should not match any criminals in ""
");'
- text: 你的正则表达式不应该匹配"P1P2P3"
中的任何罪犯
testString: 'assert(!reCriminals.test("P1P2P3"), "Your regex should not match any criminals in "P1P2P3"
");'
- text: 您正则表达式应该与fifty
的罪犯(“ CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
中”) "P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3"
。
testString: 'assert("P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3".match(reCriminals) && "P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3".match(reCriminals)[0] == "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC", "Your regex should match fifty
criminals ("CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
") in "P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3"
.");'
```