Using the Match Filter

Implement the acceptMatch method in your Match Filter to add additional conditions to RegEx pattern matches. When a potential match is found acceptMatch is triggered, with the match start and end index (along with the full text being searched) passed in as parameters.

Listing 5-15 shows a MatchFilter implementation that cancels any match immediately preceded by an exclamation mark.

LISTING 5-15: Using a Linkify Match Filter class MyMatchFilter implements MatchFilter {

public boolean acceptMatch(CharSequence s, int start, int end) { return (start == 0 || s.charAt(start-l) != '!');

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