how to remove some words from a string in java
im working on android platform,I use a string variable to fill the html content after that i want to delete some words(Specifically- delete whatever words are there in between &l开发者_如何学Got;head>..</head> tag. Any solution?
String newHtml = oldHtml.replaceFirst("(?s)(<head>)(.*?)(</head>)","$1$3");
Explanation:
oldHtml.replaceFirst(" // we want to match only one occurrance
(?s) // we need to turn Pattern.DOTALL mode on
// (. matches everything, including line breaks)
(<head>) // match the start tag and store it in group $1
(.*?) // put contents in group $2, .*? will match non-greedy,
// i.e. select the shortest possible match
(</head>) // match the end tag and store it in group $3
","$1$3"); // replace with contents of group $1 and $3
Another solution :)
String s = "Start page <head> test </head>End Page";
StringBuilder builder = new StringBuilder(s);
builder.delete(s.indexOf("<head>") + 6, s.indexOf("</head>"));
System.out.println(builder.toString());
Try:
String input = "...<head>..</head>...";
String result = input.replaceAll("(?si)(.*<head>).*(</head>.*)","$1$2");
加载中,请稍侯......
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