1.add regex func

王彬
1 parent 90f6a1cf
Showing 1 changed file with 47 additions and 0 deletions Show diff stats
src/main/java/com/taover/util/UtilString.java
@@ -8,6 +8,53 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 public class UtilString {
+	public static String trimByRegexS(String source){
+		return trimLeftByRegexS(trimRightByRegexS(source));
+	}
+	
+	public static String trimLeftByRegexS(String source){
+		if(source == null){
+			return null;
+		}
+		
+		Pattern pattern = Pattern.compile("\\S");
+		int startIndex = -1;
+		for(int i=0; i<source.length(); ++i){
+			char data  = source.charAt(i);
+			if(pattern.matcher(data+"").find()){
+				startIndex = i;
+				break;
+			}
+		}
+		if(startIndex > -1){
+			return source.substring(startIndex);
+		}else{
+			return "";
+		}
+	}
+	
+	public static String trimRightByRegexS(String source){
+		if(source == null){
+			return null;
+		}
+		
+		Pattern pattern = Pattern.compile("\\S");
+		int endIndex = source.length();
+		for(int i=source.length()-1; i>=0; --i){
+			char data  = source.charAt(i);
+			if(pattern.matcher(data+"").find()){
+				endIndex = i;
+				break;
+			}
+		}
+		
+		if(endIndex > -1){
+			return source.substring(0, endIndex+1);
+		}else{
+			return "";
+		}
+	}
+	
 	public static String trimByRegexW(String pattern){
 		Matcher m = Pattern.compile("\\w+").matcher(pattern);		
 		String result = "";
	@@ -8,6 +8,53 @@ import java.util.regex.Matcher;		@@ -8,6 +8,53 @@ import java.util.regex.Matcher;
8	import java.util.regex.Pattern;	8	import java.util.regex.Pattern;
9		9
10	public class UtilString {	10	public class UtilString {
		11	+ public static String trimByRegexS(String source){
		12	+ return trimLeftByRegexS(trimRightByRegexS(source));
		13	+ }
		14	+
		15	+ public static String trimLeftByRegexS(String source){
		16	+ if(source == null){
		17	+ return null;
		18	+ }
		19	+
		20	+ Pattern pattern = Pattern.compile("\\S");
		21	+ int startIndex = -1;
		22	+ for(int i=0; i<source.length(); ++i){
		23	+ char data = source.charAt(i);
		24	+ if(pattern.matcher(data+"").find()){
		25	+ startIndex = i;
		26	+ break;
		27	+ }
		28	+ }
		29	+ if(startIndex > -1){
		30	+ return source.substring(startIndex);
		31	+ }else{
		32	+ return "";
		33	+ }
		34	+ }
		35	+
		36	+ public static String trimRightByRegexS(String source){
		37	+ if(source == null){
		38	+ return null;
		39	+ }
		40	+
		41	+ Pattern pattern = Pattern.compile("\\S");
		42	+ int endIndex = source.length();
		43	+ for(int i=source.length()-1; i>=0; --i){
		44	+ char data = source.charAt(i);
		45	+ if(pattern.matcher(data+"").find()){
		46	+ endIndex = i;
		47	+ break;
		48	+ }
		49	+ }
		50	+
		51	+ if(endIndex > -1){
		52	+ return source.substring(0, endIndex+1);
		53	+ }else{
		54	+ return "";
		55	+ }
		56	+ }
		57	+
11	public static String trimByRegexW(String pattern){	58	public static String trimByRegexW(String pattern){
12	Matcher m = Pattern.compile("\\w+").matcher(pattern);	59	Matcher m = Pattern.compile("\\w+").matcher(pattern);
13	String result = "";	60	String result = "";