Regular expressions: Difference between revisions
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m (→{{header|Java}}: lang tag) |
m (→{{header|JavaScript}}: lang tag) |
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=={{header|JavaScript}}== |
=={{header|JavaScript}}== |
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Test/Match |
Test/Match |
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var subject = "Hello world!"; |
<lang javascript> var subject = "Hello world!"; |
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// Two different ways to create the RegExp object |
// Two different ways to create the RegExp object |
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// matches[0] == "Hello world" |
// matches[0] == "Hello world" |
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// matches[1] == "world" |
// matches[1] == "world" |
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var matches = re_PatternToMatch2.exec(subject); |
var matches = re_PatternToMatch2.exec(subject);</lang> |
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Substitute |
Substitute |
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var subject = "Hello world!"; |
<lang javascript> var subject = "Hello world!"; |
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// Perform a string replacement |
// Perform a string replacement |
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// newSubject == "Replaced!" |
// newSubject == "Replaced!" |
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var newSubject = subject.replace(re_PatternToMatch, "Replaced"); |
var newSubject = subject.replace(re_PatternToMatch, "Replaced");</lang> |
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=={{header|Objective-C}}== |
=={{header|Objective-C}}== |
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