我认为这是一个容易的问题,但我无法找到一个简单的解决办法(例如,不到10条法典:)
我有<代码>String,例如> thisIsMyString>
,我需要将其改为String[]{>this”、“Is”、“My”、“String>
。
请注意第一封不是上封信。
我认为这是一个容易的问题,但我无法找到一个简单的解决办法(例如,不到10条法典:)
我有<代码>String,例如> thisIsMyString>
,我需要将其改为String[]{>this”、“Is”、“My”、“String>
。
请注意第一封不是上封信。
您可使用一只带有零宽度正面的 look头的reg,但发现上层字母,但并未将其列入限定范围:
String s = "thisIsMyString";
String[] r = s.split("(?=\p{Upper})");
<代码>Y(?=X)对匹配sY
, 之后是X
,但n t中是否包括X
。 ∗∗∗∗∗∗∗∗∗ 将其用作限制。
See javadoc for more info on Java regexp syntax.
http://www.un.org。 这样,它就与<编码>有关。 对于非ASCII上层信函,你需要一个统法协会的上层品级,而不是PPOSIX:
String[] r = s.split("(?=\p{Lu})");
String[] camelCaseWords = s.split("(?=[A-Z])");
任何人,如果怀疑这种模式是怎样的,试图分立可能会从高案开始:
String s = "ThisIsMyString";
String[] r = s.split("(?<=.)(?=\p{Lu})");
System.out.println(Arrays.toString(r));
说明: 页: 1
自String:split
定期表达你们可以使用一个头目:
String[] x = "thisIsMyString".split("(?=[A-Z])");
;;
static Pattern p = Pattern.compile("(?=\p{Lu})");
String[] s1 = p.split("thisIsMyFirstString");
String[] s2 = p.split("thisIsMySecondString");
...
该校将分在Caps上,先拨。 因此,它应当处理 came事和适当的案件。
(?<=.)(?=(\p{Upper}))
TestText = Test, Text
thisIsATest = this, Is, A, Test
一项简单的 s/java建议,如
def splitAtMiddleUppercase(token: String): Iterator[String] = {
val regex = """[p{Lu}]*[^p{Lu}]*""".r
regex.findAllIn(token).filter(_ != "") // did not find a way not to produce empty strings in the regex. Open to suggestions.
}
测试:
val examples = List("catch22", "iPhone", "eReplacement", "TotalRecall", "NYC", "JGHSD87", "interÜber")
for( example <- examples) {
println(example + " -> " + splitAtMiddleUppercase(example).mkString("[", ", ", "]"))
}
它生产:
catch22 -> [catch22]
iPhone -> [i, Phone]
eReplacement -> [e, Replacement]
TotalRecall -> [Total, Recall]
NYC -> [NYC]
JGHSD87 -> [JGHSD87]
interÜber -> [inter, Über]
还将reg调成数字。
String str = "IAmAJavaProgrammer";
StringBuilder expected = new StringBuilder();
for (int i = 0; i < str.length(); i++) {
if(Character.isUpperCase(str.charAt(i))){
expected.append(" ");
}
expected.append(str.charAt(i));
}
System.out.println(expected);
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