Example usage for com.google.gwt.regexp.shared RegExp getGlobal

Introduction

In this page you can find the example usage for com.google.gwt.regexp.shared RegExp getGlobal.

Prototype

public final boolean getGlobal() 

Source Link

Usage

From source file:com.google.collide.shared.util.RegExpUtils.java

License:Open Source License

/**
 * Returns the number of matches found in a string by a regexp. If the regexp
 * is not a global regexp this will return a maximum of 1. This does not
 * setLastIndex(0) automatically, you must do it manually.
 *
 * @returns number of matches// w ww  .j av  a 2 s . c o  m
 */
public static int getNumberOfMatches(RegExp regexp, String input) {
    if (regexp == null || input == null || input.isEmpty()) {
        return 0;
    }

    // if we don't check here we will loop forever
    if (!regexp.getGlobal()) {
        return regexp.test(input) ? 1 : 0;
    }

    int matches = 0;
    for (MatchResult result = regexp.exec(input); result != null
            && result.getGroup(0).length() != 0; result = regexp.exec(input)) {
        matches++;
    }
    return matches;
}

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