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<TITLE>Removing Line Termination Characters from a String
(Java Developers Almanac Example)
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<h3>
e446.
Removing Line Termination Characters from a String</h3>
A line termination character sequence is a character or character pair
from the set: \n, \r, \r\n, \u0085, \u2028, and \u2029.
<P> Note: The character pair \n\r is considered a two-line terminator
character and therefore will be replaced with two spaces.
<pre>
// Returns a version of the input where all line terminators
// are replaced with a space.
public static CharSequence removeLineTerminators(CharSequence inputStr) {
String patternStr = "(?m)$^|[\\r\\n]+\\z";
String replaceStr = " ";
Pattern pattern = Pattern.compile(patternStr);
Matcher matcher = pattern.matcher(inputStr);
return matcher.replaceAll(replaceStr);
}
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Related Examples
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e441. <a class="eglink" href="LineFilter.html?l=rel">
Using a Regular Expression to Filter Lines from a Reader
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e442. <a class="eglink" href="LineFilter2.html?l=rel">
Implementing a FilterReader to Filter Lines Based on a Regular Expression
</a>
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e443. <a class="eglink" href="Line.html?l=rel">
Matching Line Boundaries in a Regular Expression
</a>
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e444. <a class="eglink" href="Lines.html?l=rel">
Matching Across Line Boundaries in a Regular Expression
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e445. <a class="eglink" href="ReadLine.html?l=rel">
Reading Lines from a String Using a Regular Expression
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See also:
<a class="eglink" href="/egs/java.util.regex/pkg.html?l=rel#Flags">
Flags
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<a class="eglink" href="/egs/java.util.regex/pkg.html?l=rel#Groups">
Groups
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<a class="eglink" href="/egs/java.util.regex/pkg.html?l=rel#Paragraphs">
Paragraphs
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<a class="eglink" href="/egs/java.util.regex/pkg.html?l=rel#Searching%20and%20Replacing">
Searching and Replacing
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<a class="eglink" href="/egs/java.util.regex/pkg.html?l=rel#Tokenizing">
Tokenizing
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