CD_RegEx 正则表达式扩展组件
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App开发中少不了正则表达式的使用,一个统一的正则表达式扩展组件是有效减少代码量,规范项目代码,利我利他的事情。常用的正则有:密码、邮箱、手机号、名称,度娘告诉我们的写法多种多样却不一定有效,(如:很多手机号的写法还用上古时期的 ^13[0-9]|15[7-9]|153|156|18[7-9])[0-9]{8}$ 这简直就是误人子弟的事情)
CD_RegEx 正则表达式扩展组件 包含对 NSRegularExpression 的扩展 和常用表达式的集合 enum CD_RegEx{},让使用正则表达式更便捷。当然,CD_RegEx提供的集合不一定满足需求,可以仿照 CD_RegEx 的写法,或其他写法来布局自己系统的表达式。
干说不练假把式!贴代码:
- NSRegularExpression 示例
/// NSRegularExpression 初始化
NSRegularExpression.cd_init(pattern)
or
CD.makeRegEx(pattern)
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//MARK:--- RegEx ----------
do{//验证一个邮箱地址的格式是否正确。
let pattern = "^([a-z0-9_\\.-]+)@([\\da-z\\.-]+)\\.([a-z\\.]{2,6})$"
let email = "[email protected]"
if (CD.makeRegEx(pattern)?.cd.match(allIn: email)) != nil {
_ = true
}else{
_ = false
}
if CD.makeRegEx(pattern)!.cd.match(email) {
_ = true
}else{
_ = false
}
}
do{// 获取第一个匹配结果
let pattern = "([\\u4e00-\\u9fa5]+):([\\d]+)"
let str = "张三:123456 66,99 ,我的, 李四:23457,王麻子:110987 9"
if let text = CD.makeRegEx(pattern)?.cd.match(firstIn: str) {
//print(text.cd.range(in: str))
text.cd.string(in: str)
text.cd.captures(in: str)
text.cd.captures(in: str)![0]
text.cd.captures(in: str)![1]
}else{
_ = false
}
}
do{// 获取所有匹配结果
let pattern = "([\\u4e00-\\u9fa5]+):([\\d]+)"
let str = "张三:123456 66,99 ,我的, 李四:23457,王麻子:110987 9"
if let text = CD.makeRegEx(pattern)?.cd.match(allIn: str) {
text.map{$0.cd.string(in: str)}
text.map{$0.cd.captures(in: str)![0]}
text.map{$0.cd.captures(in: str)![1]}
}else{
_ = false
}
}
do{// ----- 字符串替换
let pattern = "([\\u4e00-\\u9fa5]+):([\\d]+)"
let str = "张三:123456 66,99 ,我的, 李四:23457,王麻子:110987 9"
CD.makeRegEx(pattern)!.cd.match(replaceIn: str, with: "***", count: 1)
CD.makeRegEx(pattern)!.cd.match(replaceIn: str, with: "***")
CD.makeRegEx(pattern)!.cd.match(replaceIn: str, with: "***", count: 9)
}
do{//捕获组替换
let pattern = "([\\u4e00-\\u9fa5]+):([\\d]+)"
let str = "张三:123456 66,99 ,我的, 李四:23457,王麻子:110987 9"
CD.makeRegEx(pattern)!.cd.match(replaceIn: str, with: "$1的编号是$2", count: 1)
CD.makeRegEx(pattern)!.cd.match(replaceIn: str, with: "$1的编号是$2")
CD.makeRegEx(pattern)!.cd.match(replaceIn: str, with: "$1的编号是$2", count: 9)
}
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- CD_RegEx 示例
do{
CD_RegEx.match("123", type: CD_RegEx.tPassword(CD_RegEx.Password.value0))
CD_RegEx.match("123456", type: CD_RegEx.tPassword(CD_RegEx.Password.value0))
CD_RegEx.match("a123", type: CD_RegEx.tPassword(CD_RegEx.Password.value1))
CD_RegEx.match("a123456", type: CD_RegEx.tPassword(CD_RegEx.Password.value1))
CD_RegEx.match("123", type: CD_RegEx.tPassword(CD_RegEx.Password.value2))
CD_RegEx.match("123_456", type: CD_RegEx.tPassword(CD_RegEx.Password.value2))
CD_RegEx.match("123_a456", type: CD_RegEx.tPassword(CD_RegEx.Password.value2))
CD_RegEx.match("123_a@456", type: CD_RegEx.tPassword(CD_RegEx.Password.value2))
// 必须包含大小写字母和数字
CD_RegEx.match("1234567a", type: CD_RegEx.tPassword(CD_RegEx.Password.value3("^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,20}$")))
CD_RegEx.match("1234567aA_@", type: CD_RegEx.tPassword(CD_RegEx.Password.value3("^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,20}$")))
CD_RegEx.match("1382828", type: CD_RegEx.tMobile(nil))
CD_RegEx.match("13828282626", type: CD_RegEx.tMobile(nil))
CD_RegEx.match("https://itunes.apple.com/cn/app/", type: CD_RegEx.tURL(nil))
CD_RegEx.match("htt://itunes.apple.com/cn/app/", type: CD_RegEx.tURL(nil))
}
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如果已经产生兴趣,可 移步 下载或克隆仓库 进入 Regex.playground 玩转你的表达式测算
---------- 敬请大佬指正 ----------
转载于:https://juejin.im/post/5d009d086fb9a07edd2a0a61