Java String Trim Left ltrim(String s, char character)

Description

ltrim

License

Open Source License

Declaration

public static String ltrim(String s, char character) 

Method Source Code

//package com.java2s;
//License from project: MIT License 

public class Main {
    public static String ltrim(String s) {
        int i = 0;
        while (i < s.length() && Character.isWhitespace(s.charAt(i))) {
            i++;//from   ww  w . j av a 2 s .  c o  m
        }
        return i(s, i);
    }

    public static String ltrim(String s, char character) {
        int i = 0;
        while (i < s.length() && s.charAt(i) == character) {
            i++;
        }
        return i(s, i);
    }

    public static String i(String s, int begin, int end) {
        if (s == null)
            return null;
        int len = s.length();
        if (begin < 0)
            begin += len;
        if (end < 0)
            end += len;
        if (begin < 0)
            begin = 0;
        if (end < 0)
            end = 0;
        if (begin >= len)
            return "";
        if (end > len)
            end = len;
        if (end <= begin)
            return "";
        return s.substring(begin, end);
    }

    public static String i(String s, int begin) {
        return i(s, begin, s.length());
    }
}

Related

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