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更新Regex的README.md
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‎RegularExpression/README.md‎

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### 正则表达式NSRegularExpression
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在这个demo里，通过以下三种方式学习正则表达式：
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1. 进行文本查找、替换。
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2. 验证用户输入文本是否符合格式要求。
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3. 自动格式化用户输入文本。
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`First`、`Second`和`Third`三个视图控制器对应实现上述三项功能。
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详细介绍查看下面文章：
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<https://github.com/pro648/tips/wiki/正则表达式NSRegularExpression>
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‎RegularExpression/RegularExpression.xcodeproj/.xcodeSampleCode.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<!--
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.xcodeSampleCode.plist
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RegularExpression
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Created by ad on 25/12/2017.
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Copyright (c) 2017 ___ORGANIZATIONNAME___. All rights reserved.
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-->
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<plist version="1.0">
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<dict>
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</dict>
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</plist>

‎RegularExpression/RegularExpression.xcodeproj/project.pbxproj‎

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6002966A1ED95EAF00F57A86 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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600296731ED96ED900F57A86 /* SearchViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SearchViewController.h; sourceTree = "<group>"; };
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600296741ED96ED900F57A86 /* SearchViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SearchViewController.m; sourceTree = "<group>"; };
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6023D2D01FF134D400E9AA6C /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
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60E4F8831EDACD8800F94C16 /* SecondViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SecondViewController.h; sourceTree = "<group>"; };
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60E4F8841EDACD8800F94C16 /* SecondViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SecondViewController.m; sourceTree = "<group>"; };
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60E4F8861EDACD9B00F94C16 /* ThirdViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ThirdViewController.h; sourceTree = "<group>"; };
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6002963F1ED95EAF00F57A86 = {
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isa = PBXGroup;
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children = (
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6023D2D01FF134D400E9AA6C /* README.md */,
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6002964A1ED95EAF00F57A86 /* RegularExpression */,
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600296671ED95EAF00F57A86 /* RegularExpressionTests */,
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600296491ED95EAF00F57A86 /* Products */,

‎RegularExpression/RegularExpression.xcodeproj/project.xcworkspace/xcuserdata/ad.xcuserdatad/UserInterfaceState.xcuserstate‎

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‎RegularExpression/RegularExpression/FirstViewController.m‎

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[visibleAttributedText addAttribute:NSBackgroundColorAttributeName value:[UIColor yellowColor] range:matchRange];
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}
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// 注释5和6可以合并在一起，如下：
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/*
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[regex enumerateMatchesInString:visibleText options:NSMatchingReportCompletion range:visibleTextRange usingBlock:^(NSTextCheckingResult * _Nullable result, NSMatchingFlags flags, BOOL * _Nonnull stop) {
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NSRange matchRange = result.range;
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[visibleAttributedText addAttribute:NSBackgroundColorAttributeName value:[UIColor yellowColor] range:matchRange];
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}];
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*/
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// 7.Replace the range of the attributed string that we just highlighted. First, create a CFRange from the NSRange of the visible range.
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CFRange visibleRange_CF = CFRangeMake(visibleRange.location, visibleRange.length);
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‎RegularExpression模板/README.md‎

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### 正则表达式NSRegularExpression
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这个demo是[正则表达式NSRegularExpression](https://github.com/pro648/tips/wiki/正则表达式NSRegularExpression)这篇文章的模板。在这篇文章中，通过以下三种方式学习正则表达式：
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1. 进行文本查找、替换。
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2. 验证用户输入文本是否符合格式要求。
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3. 自动格式化用户输入文本。
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`First`、`Second`和`Third`三个视图控制器对应实现上述三项功能。
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详细介绍查看下面文章：
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<https://github.com/pro648/tips/wiki/正则表达式NSRegularExpression>
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‎RegularExpression模板/RegularExpression.xcodeproj/.xcodeSampleCode.plist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<!--
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.xcodeSampleCode.plist
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RegularExpression
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Created by ad on 25/12/2017.
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Copyright (c) 2017 ___ORGANIZATIONNAME___. All rights reserved.
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-->
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<plist version="1.0">
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<dict>
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</dict>
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</plist>

‎RegularExpression模板/RegularExpression.xcodeproj/project.pbxproj‎

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6002965E1ED95EAF00F57A86 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 6002965C1ED95EAF00F57A86 /* LaunchScreen.storyboard */; };
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600296691ED95EAF00F57A86 /* RegularExpressionTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 600296681ED95EAF00F57A86 /* RegularExpressionTests.m */; };
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600296751ED96ED900F57A86 /* SearchViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 600296741ED96ED900F57A86 /* SearchViewController.m */; };
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6023D2D41FF1377D00E9AA6C /* README.md in Resources */ = {isa = PBXBuildFile; fileRef = 6023D2D31FF1377D00E9AA6C /* README.md */; };
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60E4F8851EDACD8800F94C16 /* SecondViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 60E4F8841EDACD8800F94C16 /* SecondViewController.m */; };
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60E4F8881EDACD9B00F94C16 /* ThirdViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 60E4F8871EDACD9B00F94C16 /* ThirdViewController.m */; };
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/* End PBXBuildFile section */
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6002966A1ED95EAF00F57A86 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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600296731ED96ED900F57A86 /* SearchViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SearchViewController.h; sourceTree = "<group>"; };
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600296741ED96ED900F57A86 /* SearchViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SearchViewController.m; sourceTree = "<group>"; };
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6023D2D31FF1377D00E9AA6C /* README.md */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
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60E4F8831EDACD8800F94C16 /* SecondViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SecondViewController.h; sourceTree = "<group>"; };
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60E4F8841EDACD8800F94C16 /* SecondViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SecondViewController.m; sourceTree = "<group>"; };
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60E4F8861EDACD9B00F94C16 /* ThirdViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ThirdViewController.h; sourceTree = "<group>"; };
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6002963F1ED95EAF00F57A86 = {
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isa = PBXGroup;
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children = (
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6023D2D31FF1377D00E9AA6C /* README.md */,
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6002964A1ED95EAF00F57A86 /* RegularExpression */,
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600296671ED95EAF00F57A86 /* RegularExpressionTests */,
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600296491ED95EAF00F57A86 /* Products */,
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files = (
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6002965E1ED95EAF00F57A86 /* LaunchScreen.storyboard in Resources */,
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6002965B1ED95EAF00F57A86 /* Assets.xcassets in Resources */,
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6023D2D41FF1377D00E9AA6C /* README.md in Resources */,
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600296591ED95EAF00F57A86 /* Main.storyboard in Resources */,
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);
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runOnlyForDeploymentPostprocessing = 0;

‎RegularExpression模板/RegularExpression.xcodeproj/project.xcworkspace/xcuserdata/ad.xcuserdatad/UserInterfaceState.xcuserstate‎

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