CODEWITHSUNDEEP
javaregextwitter
Sri
Sri

Reputation: 5845

Java Regex - Extract Hashtags from String

Need to extract out hashtag Strings from a source String in Java. Any ideas / examples?

Thanks, Sri

Upvotes: 5

Views: 5490

Answers (1)

Bozho
Bozho

Reputation: 597432

Here is what I'm using (it handles UTF-8 tags as well, not only ASCII):

private static final Pattern TAG_PATTERN = 
   Pattern.compile("(?:^|\\s|[\\p{Punct}&&[^/]])(#[\\p{L}0-9-_]+)");

Btw, you should be able to get the hashtags from the tweet entities (include_entities=true)

Upvotes: 9

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