e072. determining if a string contains a substring.txt

来自「这里面包含了一百多个JAVA源文件」· 文本 代码 · 共 26 行

See also e423 Quintessential Regular Expression Search Program. 
    String string = "Madam, I am Adam";
    
    // Starts with
    boolean  b = string.startsWith("Mad");  // true
    
    // Ends with
    b = string.endsWith("dam");             // true
    
    // Anywhere
    b = string.indexOf("I am") > 0;         // true
    
    // To ignore case, regular expressions must be used
    
    // Starts with
    b = string.matches("(?i)mad.*");
    
    // Ends with
    b = string.matches("(?i).*adam");
    
    // Anywhere
    b = string.matches("(?i).*i am.*");

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