This method uses String.indexOf(int) if possible. An empty ("") search String always matches unless the start position is negative. For repeating replaces, call the Returns either the passed in String, or if the String is public static String getURL(HttpServletRequest request){ String fullURL = request.getRequestURL().toString(); return fullURL.substring(0,StringUtils.ordinalIndexOf(fullURL, "/", 3)); } For example, A start position greater than the string length returns -1. Finds the last index within a String, handling null. A new String will not be created if str is already wrapped. Joins the elements of the provided array into a single String specify offsets relative to the end of the String. Also, if a String passes the numeric test, it may still generate a NumberFormatException An empty CharSequence (length()=0) will return true. If len characters are not available, or the String If the size is less than the String length, the String is returned. Groups of contiguous An empty ("") String will be returned if no digits found in str. source string will return the empty string. An empty CharSequence (length()=0) will return false. This constructor is public to permit tools that require a JavaBean Converts a String to upper case as per String.toUpperCase(Locale). Check if a String starts with a specified prefix. The comparison is case insensitive. returned string includes all characters after the first max - 1 Checks if a String is empty ("") or null. Returns the first value in the array which is not empty (""), Finds the first index within a CharSequence, handling, Checks if the CharSequence contains only Unicode letters, digits Removes all occurrences of a character from within the source string. Finds the last index within a CharSequence, handling null. Strips whitespace from the start and end of every String in an array. A null or empty set of search characters returns the input string. For the previous behavior, use substringBeforeLast(String, String). This is similar to trimToEmpty(String) but removes whitespace. This is similar to trimToNull(String) but removes whitespace. The Strings between the delimiters are not reversed. This constructor is public to permit tools that require a JavaBean Abbreviates a String using another given String as replacement marker. Repeat a String repeat times to form a Parameters: csvKeyVal - or other char separated key=value pair. Right pad a String with a specified String. A null input String returns null. An empty ("") search CharSequence always matches unless the start position is negative. handling null. Find the latest index of any of a set of potential substrings. Uses a supplied String as the value to pad the String with. Strips any of a set of characters from the start and end of a String. Converts the given source String as a lower-case using the, Converts the given source String as a upper-case using the, Removes control characters (char <= 32) from both string, it has the same effect as if it were equal to the length of Checks if the String contains only unicode letters, digits empty strings. Gets the String that is nested in between two Strings. should be used with a specific locale (e.g. Works like abbreviate(String, String, int), but allows you to specify Checks if a CharSequence is not empty (""), not null and not whitespace only. It now more closely matches Perl chomp. Uses a supplied character as the value to pad the String with. java.lang.Character.getType(char). Trim removes start and end characters <= 32. Note: As described in the documentation for String.toLowerCase(), an exception. * StringUtils.ordinalIndexOf("", "", *) = 0 * StringUtils.ordinalIndexOf("aabaabaa", "a", 1) = 0 * StringUtils.ordinalIndexOf("aabaabaa", "a", 2) = 1 * StringUtils.ordinalIndexOf("aabaabaa", "b", 1) = 2 * … It now more closely matches Perl chomp. A null tag returns null. Find the Levenshtein distance between two Strings. Mirror of Apache Commons Lang. An empty CharSequence (length()=0) always returns true. /** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. If the stripChars String is null, whitespace is otherwise leave it alone. the result of this method is affected by the current locale. returned string includes all characters after the first max - 1 commons-lang by apache - Mirror of Apache Commons Lang. null will return false. Finds the first index within a String, handling null. To strip whitespace use stripToNull(String). Compare two Strings lexicographically, as per, Compare two Strings lexicographically, ignoring case differences, Whitespace is defined by Character.isWhitespace(char). It now more closely matches Perl chomp. A null string input will return null. This is similar to trim(String) but removes whitespace. Converts a String to upper case as per String.toUpperCase(). A null String will return -1. array containing "" will return 0 if str is not the case. NOTE: This method changed in Lang version 2.0. nulls are handled without exceptions. Checks if CharSequence contains a search CharSequence irrespective of case, Furthermore, a length of str. Checks if the CharSequence contains only lowercase characters. A null CharSequence will return false. Null objects or empty strings within the array are represented by specify offsets relative to the end of the String. Overlays part of a String with another String. Spaces are defined as {' ', '\t', '\r', '\n', '\b'} An empty String (length()=0) always returns true. Unlike in the replacePattern(String, String, String) method, the Pattern.DOTALL option returning true if the string is equal to any of the searchStrings, ignoring case. Centers a String in a larger String of size size StringUtils (except for deprecated methods). An empty String is returned if len is negative or exceeds the Finds the first index within a String from a start position, Checks if the CharSequence contains only Unicode digits. A null String will return false. Splits a String by Character type as returned by or if the String is, Returns either the passed in String, or if the String is, Deletes all whitespaces from a String as defined by. indexOfDifference(new String[] {"i am a machine", "i am a robot"}) -> 7. (More precisely, return the remainder of the second String, deleteWhitespace(String) instead as whitespace is much Case insensitively replaces a String with another String inside a larger String, once. For example: If the stripChars String is null, whitespace is All position counting is An empty ("") string input will return the empty string. of the replace characters. null inputs are handled according to the nullIsLess parameter. The returned substring starts with the character in the start The Strings between the delimiters are not reversed. A null separator is the same as an empty String (""). object at an index no smaller than startPos, then A null String returns null. A null array entry will be ignored. Returns either the passed in String, or if the String is preserving all tokens, including empty tokens created by adjacent ends of this String, handling, Removes control characters (char <= 32) from both Comparison is case insensitive. Trim removes start and end characters <= 32. Checks that the String does not contain certain characters. per Character.toLowerCase(int). Strips any of a set of characters from the start and end of a String. Compares two CharSequences, returning true if they represent trim(String) to remove leading and trailing whitespace any "search string" or "string to replace" is null, that replace will be Splits the provided text into an array with a maximum length, code point. To trim your choice of characters, use the Splits the provided text into an array with a maximum length, same String. The following examples show how to use org.apache.commons.lang3.StringUtils#trimToEmpty() .These examples are extracted from open source projects. Checks if String contains a search String irrespective of case, This means that Removes control characters (char <= 32) from both set of characters. Removes one newline from end of a String if it's there, The StringUtils class defines certain words related to String handling. A null or zero length search array entry will be ignored, Replaces a String with another String inside a larger String, once. Replaces each substring of the text String that matches the given regular expression Search a CharSequence to find the first index of any This method uses String.indexOf(String). references are considered to be equal. null. This method uses String#indexOf(String). or if the String is null, an empty String (""). Gets the leftmost len characters of a String. A null separatorChars splits on whitespace. DOTALL is also known as single-line mode in Perl. Groups of contiguous To use the DOTALL option prepend "(?s)" to the regex. Checks if any of the CharSequences are empty ("") or null. are ignored. Whitespace is defined by Character.isWhitespace(char). Finds the first index within a String, handling null. A null separator is the same as an empty String (""). If it is greater than the length of this This abbreviation only occurs if the following criteria is met: Otherwise, the returned String will be the same as the supplied String for abbreviation. Compares all Strings in an array and returns the initial sequence of The separator is not included in the returned String array. Removes control characters (char <= 32) from both any "search string" or "string to replace" is null, that replace will be Two null Joins the elements of the provided array into a single String and Chas Emerick's implementation of the Levenshtein distance algorithm from Checks if the String contains only uppercase characters. An empty string ("") input returns the empty string. if the value is outside the range Case in-sensitive find of the first index within a String. This is an alternative to using StringTokenizer. If you are needing to support full I18N of your applications A null or zero length search array will return -1. A null CharSequence will return -1. Reverses a String as per StringBuilder.reverse(). Check if a String starts with any of an array of specified strings. default separator char is "," Returns: toMap public static java.util.Map toMap(java.lang.String[] csvKeyVal, boolean … Whitespace is defined by Character.isWhitespace(char). characters from the end of the String. Joins the elements of the provided varargs into a Java example source code file (StringUtils.java) This example Java source code file (StringUtils.java) is included in the alvinalexander.com "Java Source Code Warehouse" project.The intent of this project is to help you "Learn Java by Example" TM.Learn more about this Java project at its project page. Works like abbreviate(String, int), but allows you to specify Splits the provided text into an array, separator string specified. Replaces the first substring of the text string that matches the given regular expression as they require a pair of chars to be represented. Compares two Strings, returning true if they are equal. Strips any of a set of characters from the start and end of every A null String will return -1. Centers a String in a larger String of size size. Swaps the case of a String changing upper and title case to Gets the substring after the first occurrence of a separator. empty strings. Find the first index of any of a set of potential substrings. Right pad a String with a specified character. A null input String returns null. otherwise returns the source string. A null separator splits on whitespace. DOTALL is also known as single-line mode in Perl. A null string input returns null. An empty ("") string input returns an empty string. The following examples show how to use org.apache.commons.lang.StringUtils#replace() .These examples are extracted from open source projects. the index of the first such occurrence is returned. separator. A null String returns null. Gets the rightmost len characters of a String. -space, Upper case character converts to Lower case, Title case character converts to Lower case, Lower case character converts to Upper case, In no case will it return a String of length greater than, Neither the String for abbreviation nor the replacement String are null or empty, The length to truncate to is less than the length of the supplied String, The length to truncate to is greater than 0, The abbreviated String will have enough room for the length supplied replacement String * * 
 * StringUtils.ordinalIndexOf(null, *, *) = -1 * StringUtils.ordinalIndexOf(*, null, *) = -1 * StringUtils.ordinalIndexOf("", "", *) = 0 * StringUtils.ordinalIndexOf("aabaabaa", "a", 1) = 0 * StringUtils.ordinalIndexOf("aabaabaa", "a", 2) = 1 * StringUtils.ordinalIndexOf("aabaabaa", "b", 1) = 2 * StringUtils.ordinalIndexOf("aabaabaa", "b", 2) = 5 * StringUtils.ordinalIndexOf("aabaabaa", "ab", 1) = 1 * … To strip whitespace use stripToEmpty(String).  is '.').  of them. Note: As described in the documentation for String.toUpperCase(), null will return false.  overloaded method. 1 /* 2 * Copyright 2002-2005 The Apache Software Foundation. This method uses String.lastIndexOf(String, int) if possible. Replaces a String with another String inside a larger String, once. Checks if a CharSequence is not empty ("") and not null. The separator(s) will not be included in the returned String array. Compares two Strings, and returns the portion where they differ. As of Lang 2.0, this calls StringEscapeUtils.escapeJava(String) A null valid character array will return false. Note that this left edge is not necessarily going to A null input String returns null. public static function ordinalIndexOf(str:String, searchStr:String, ordinal:int):int. To strip whitespace use strip(String). Capitalizes all the whitespace separated words in a String.  characters that is common to all of them. If more than max delimited substrings are found, the last  to be stripped to be controlled. Converts a CharSequence into an array of code points. This is an alternative to using StringTokenizer. Returns either the passed in CharSequence, or if the CharSequence is Checks if the CharSequence contains only Unicode digits or space The function returns the argument string with whitespace normalized by using  handling null. If nothing is found, the string input is returned.  containing the provided list of elements. An empty ("") string input will return the empty string. Trim removes start and end characters <= 32.  but a search array containing "" will return the length of str Returns the first value in the array which is not empty.  references are considered to be equal. StringUtils.ordinalIndexOf(null, *, *) = -1 StringUtils.ordinalIndexOf(*, null, *) = -1 StringUtils.ordinalIndexOf("", "", *) = 0 StringUtils.ordinalIndexOf("aabaabaa", "a", 1) = 0 StringUtils.ordinalIndexOf("aabaabaa", "a", 2) = 1 StringUtils.ordinalIndexOf("aabaabaa", "b", 1) = 2 StringUtils.ordinalIndexOf("aabaabaa", "b", 2) = 5 StringUtils.ordinalIndexOf("aabaabaa", "ab", 1) = 1 … Prepends the prefix to the start of the string if the string does not  of searchChar in the range from 0 to 0xFFFF (inclusive),  or empty then null is returned. Checks if none of the CharSequences are empty (""), null or whitespace only. differenceLeft public static java.lang.String differenceLeft(java.lang.String str1, java.lang.String str2).  space (' '). It no longer trims the CharSequence. In some cases, Array doesn't satisfy your operation on Arrays? Appends the suffix to the end of the string if the string does not Joins the elements of the provided Iterator into This will turn Check if a CharSequence starts with a specified prefix. Case insensitive check if a CharSequence ends with a specified suffix. Splits the provided text into an array, separators specified,  Repeat a String repeat times to form a A null string input returns null.  of the String will be returned without an exception. Gets the substring after the last occurrence of a separator. A null invalid character array will return true.  strings within the iteration are represented by empty strings.  instance to operate.  a single String containing the provided elements. Case insensitively replaces all occurrences of a String within another String. This method uses String.indexOf(String) if possible. Replaces all occurrences of a character in a String with another.  if str is not null.  separator, preserving all tokens, including empty tokens created by  empty or null, the value of defaultStr. http://www.w3.org/TR/xpath/#function-normalize No separator is added to the joined String. Gets the substring before the first occurrence of a separator. This is the only StringUtils method that uses the Removes all occurrences of a character from within the source string. Replaces multiple characters in a String in one go.  should be used with a specific locale (e.g. Uncapitalizes a String, changing the first character to lower case as Abbreviates a String to the length passed, replacing the middle characters with the supplied StringUtils handles null input Strings quietly. int org.apache.commons.lang.StringUtils.ordinalIndexOf(CharSequence str, CharSequence searchStr, int ordinal) for your problem you can code the following: StringUtils.ordinalIndexOf(uri, "/", 3) You can also find the last nth occurrence of a character in a string with the lastOrdinalIndexOf method.  false.  ends of this String returning an empty String ("") if the String To trim your choice of characters, use the A newline is "\n",  or if the String is null, an empty String (""). A negative start position is treated as zero.  stripped as defined by Character.isWhitespace(char). Finds the n-th index within a String, handling null. A null String will return -1. A null string input returns null.  Character.isWhitespace(char). If nothing is found, the empty string is returned. Counts how many times the char appears in the given string.  getCommonPrefix(new String[] {"i am a machine", "i am a robot"}) -> "i am a ". Checks if the CharSequence contains only Unicode letters or digits. It no longer performs a word based algorithm. This is a null-safe version of String.replace(char, char).  http://blog.softwx.net/2014/12/optimizing-levenshtein-algorithm-in-c.html for details. A negative start position is treated as zero.  a "left edge" offset. The String is trimmed using String.trim(). Compares two CharSequences, and returns the index at which the 




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