Java RegEx – Extract Text between Quotes example shows how to extract text between quotes (double quotes or single quotes) using Java regex pattern.
How to extract text data between double quotes using Java regex pattern?
While parsing string data using regex, we often come across words wrapped inside double quotes like given below.
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The temperature in "NY" is "29" degrees. |
If you want to extract the text between double quotes, you can use the below-given regex pattern.
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\"[^\"]*\" |
Where,
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\" - A double quote [^\"] - Followed by any non double duote character * - zero or more times \" - Followed by ending double quote |
The meaning of this whole pattern is “a double quote, followed by any character that is not a double quote – zero or more times, followed by the ending double quote”.
Let’s try this pattern in a code example.
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package com.javacodeexamples.regex; import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegExExtractBetweenQuotes { public static void main(String[] args) { String strContent = "The temperature in \"NY\" is \"29\" degrees."; String strPattern = "\"[^\"]*\""; Pattern pattern = Pattern.compile(strPattern); Matcher matcher = pattern.matcher(strContent); while( matcher.find() ) { System.out.println( matcher.group() ); } } } |
Output
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"NY" "29" |
As you can see from the output, the pattern extracted the data along with the double quotes as well. If you want to remove that, you can do that by using a regex group as given below.
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package com.javacodeexamples.regex; import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegExExtractBetweenQuotes { public static void main(String[] args) { String strContent = "The temperature in \"NY\" is \"29\" degrees."; String strPattern = "\"([^\"]*)\""; Pattern pattern = Pattern.compile(strPattern); Matcher matcher = pattern.matcher(strContent); while( matcher.find() ) { System.out.println( matcher.group(1) ); } } } |
Output
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NY 29 |
How to extract data between single quotes?
It can be done using basically the same pattern. Just that we do not need to escape the single quotes. Have a look at the example.
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package com.javacodeexamples.regex; import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegExExtractBetweenQuotes { public static void main(String[] args) { String strContent = "The temperature in 'NJ' is '23' degrees."; String strPattern = "'([^']*)'"; Pattern pattern = Pattern.compile(strPattern); Matcher matcher = pattern.matcher(strContent); while( matcher.find() ) { System.out.println( matcher.group(1) ); } } } |
Output
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NJ 23 |
If you want to learn more about regex patterns, please visit the Java regex tutorial.
Please let me know your views in the comments section below.
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