From 7c4d9b7d6dba55c77fd1fd24beedcb6147d46cae Mon Sep 17 00:00:00 2001 From: bculkin2442 Date: Wed, 30 Mar 2016 09:01:35 -0400 Subject: Changed some of the token manipulators to not affect solo operators The main change is that they won't handle tokens that consist only of the operator. --- .../main/java/bjc/utils/funcutils/StringUtils.java | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 BJC-Utils2/src/main/java/bjc/utils/funcutils/StringUtils.java (limited to 'BJC-Utils2/src/main/java/bjc/utils/funcutils/StringUtils.java') diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcutils/StringUtils.java b/BJC-Utils2/src/main/java/bjc/utils/funcutils/StringUtils.java new file mode 100644 index 0000000..b7d20aa --- /dev/null +++ b/BJC-Utils2/src/main/java/bjc/utils/funcutils/StringUtils.java @@ -0,0 +1,34 @@ +package bjc.utils.funcutils; + +/** + * Utility methods for operations on strings + * + * @author ben + * + */ +public class StringUtils { + + /** + * Check if a string consists only of one or more matches of a regular + * expression + * + * @param input + * The string to check + * @param regex + * The regex to see if the string only contains matches of + * @return Whether or not the string consists only of multiple matches + * of the provided regex + */ + public static boolean containsOnly(String input, String regex) { + /* + * This regular expression is fairly simple. + * + * First, we match the beginning of the string. Then, we start a + * non-capturing group whose contents are the passed in regex. That + * group is then matched one or more times and the pattern matches + * to the end of the string + */ + return input.matches("\\A(?:" + regex + ")+\\Z"); + } + +} -- cgit v1.2.3