update pods

Manifest.lock

@@ -269,7 +269,7 @@ CHECKOUT OPTIONS:
     :commit: 9599b1d9796280c97cb2f786f34984fc98a3b6ef
     :git: https://github.com/signalapp/Mantle
   SignalCoreKit:
-    :commit: 061f41321675ffe5af5e547d578bbd2266a46d33
+    :commit: 0326310d32744902539bd6a2f170ee7413805754
     :git: https://github.com/signalapp/SignalCoreKit.git
   SignalMetadataKit:
     :commit: 56f28fc3a6e35d548d034ef7d0009f233ca0aa62

SignalCoreKit/SignalCoreKit/src/NSString+OWS.h

@@ -10,6 +10,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (NSString *)digitsOnly;
 
+@property (nonatomic, readonly) BOOL hasAnyASCII;
+@property (nonatomic, readonly) BOOL isOnlyASCII;
+
 - (NSString *)filterStringForDisplay;
 
 - (NSString *)filterFilename;

SignalCoreKit/SignalCoreKit/src/NSString+OWS.m

@@ -239,6 +239,57 @@ - (BOOL)computeHasExcessiveDiacriticals
     return NO;
 }
 
++ (NSRegularExpression *)anyASCIIRegex
+{
+    static dispatch_once_t onceToken;
+    static NSRegularExpression *regex;
+    dispatch_once(&onceToken, ^{
+        NSError *error;
+        regex = [NSRegularExpression regularExpressionWithPattern:@"[\x00-\x7F]+"
+                                                          options:0
+                                                            error:&error];
+        if (error || !regex) {
+            // crash! it's not clear how to proceed safely, and this regex should never fail.
+            OWSFail(@"could not compile regex: %@", error);
+        }
+    });
+
+    return regex;
+}
+
++ (NSRegularExpression *)onlyASCIIRegex
+{
+    static dispatch_once_t onceToken;
+    static NSRegularExpression *regex;
+    dispatch_once(&onceToken, ^{
+        NSError *error;
+        regex = [NSRegularExpression regularExpressionWithPattern:@"^[\x00-\x7F]*$"
+                                                          options:0
+                                                            error:&error];
+        if (error || !regex) {
+            // crash! it's not clear how to proceed safely, and this regex should never fail.
+            OWSFail(@"could not compile regex: %@", error);
+        }
+    });
+
+    return regex;
+}
+
+
+- (BOOL)isOnlyASCII;
+{
+    return [self.class.onlyASCIIRegex rangeOfFirstMatchInString:self
+                                                        options:0
+                                                          range:NSMakeRange(0, self.length)].location != NSNotFound;
+}
+
+- (BOOL)hasAnyASCII
+{
+    return [self.class.anyASCIIRegex rangeOfFirstMatchInString:self
+                                                       options:0
+                                                         range:NSMakeRange(0, self.length)].location != NSNotFound;
+}
+
 - (BOOL)isValidE164
 {
     NSError *error = nil;