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Questions tagged [apache-stringutils]

StringUtils is a class belonging to Apache Commons package. It offers utility methods for dealing with strings.

112 questions
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Extract digits from string - StringUtils Java

I have a String and I want to extract the (only) sequence of digits in the string. Example: helloThisIsA1234Sample. I want the 1234 It's a given that the sequence of digits will occur only once within the string but not in the same position. (for…
NinaNa
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Concatenate string values with delimiter handling null and empty strings?

In Java 8 I have some number of String values and I want to end up with a comma delimited list of valid values. If a String is null or empty I want to ignore it. I know this seems common and is a lot like this old question; however, that…
eze
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Converting a List to comma separated string

Hi I am having a requirement where I need to convert List of Long datatype to comma separated String. Which would be the appropriate way. I have thought about using string builder or converting it to List and then using StringUtils join to…
user2375298
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decode string encoded in utf-8 format in android

I have a string which comes via an xml , and it is text in German. The characters that are German specific are encoded via the UTF-8 format. Before display the string I need to decode it. I have tried the following: try { BufferedReader in =…
user590849
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Apache StringUtils vs Java implementation of replace()

What would be the difference between Java 1.4.2's implementation of replace, and Apache 2.3's implementation? Is there a performance gain one over another? Java 1.4.2 replace Apache 2.3 replace
Oh Chin Boon
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Convert a list of Person object into a separated String by getName() property of Person object

Is there a XXXUtils where I can do String s = XXXUtils.join(aList, "name", ","); where "name" is a JavaBeans property from the object in the aList. I found only StringUtils having join method, but it only transforms a List into a separated…
Cosmin Cosmin
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Why can't I use Apache's StringUtils.join on a List?

When I try StringUtils.join(myList,','); I get a compilation failure: cannot find symbol symbol : method join(java.util.List,char) But the following works: StringUtils.join(myList.toArray(),','); The docs (Apache Commons Lang 2.5) seem to…
Eric Wilson
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StringUtils isNumeric returns true when input is "???", why?

I was reading the commons.apache.org isNumeric method definition and it states: StringUtils.isNumeric("???") = true; I am not sure why "???" is considered to be numeric. My guesses are: A "?" is considered a unicode digit It is some kind of…
dspano
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Inverse function to StringUtils.capitalize()

There is convenient method StringUtils.capitalize() in apache-commons-lang library. But I can not find pairwise inverse method for it, which will make first letter in word in lowercase. Does such method exists?
Denys
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Escaping characters to avoid XSS in Java

I need to escape characters to avoid XSS. I am using org.apache.commons.lang.StringEscapeUtils.escapeHtml(String str), which helps in the following way: Raw input " onmouseover=alert() src=" After escaping HTML becomes " onmouseover=alert()…
user1532449
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apache commons lang3 stringutils taglib

Id like to use StringUtils.abbreviate() inside a jstl tag, is there a taglib location for this? Ive searched the commons site and the web but an unable to find an example. Is there a common way to find taglib locations also, maybe in a standard…
nfvindaloo
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Calling Java Apache StringUtils.join() from Groovy

I am attempting to call the Apache Commons StringUtils.join() method from within a Groovy class. I want to concatenate 3 strings (part1, part2, and part3). Why doesn't this work? def path = StringUtils.join([part1, part2, part3]) //1 But the…
Ryan
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How to get real end index of string found in another string

I am trying to get a range of chars found in another string using Java: String input = "test test2 Test3"; String substring = "test2"; int diffStart = StringUtils.indexOf(input, substring); int diffEnd = StringUtils.lastIndexOf(input,…
Reddy SK
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StringUtils to split based on comma and space

Could you please let me know whether we have any StringUtils function to split based on comma and space. Basically i am wondering whether we have any function which will split based on two delimiters. I have written custom function to do the same,…
Adam
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Cannot resolve symbol "StringUtils"

I have downloaded "commons-lang-2.6.jar" and added to my java project but I can't use StringUtils. Is there another jar file I should download or I have to change something in the project structure?
AliBZ
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