正则表达式
“^\d+$” //非负整数（正整数 + 0）
“1[1-9][0-9]$” //正整数
“^((-\d+)|(0+))$” //非正整数（负整数 + 0）
“^-[0-9][1-9][0-9]$” //负整数
“^-?\d+$” //整数
“^\d+(\.\d+)?$” //非负浮点数（正浮点数 + 0）
“^(([0-9]+\.[0-9][1-9][0-9])|([0-9][1-9][0-9]\.[0-9]+)|([0-9][1-9][0-9]))$” //正浮点数
“^((-\d+(\.\d+)?)|(0+(\.0+)?))$” //非正浮点数（负浮点数 + 0）
“^(-(([0-9]+\.[0-9][1-9][0-9])|([0-9][1-9][0-9]\.[0-9]+)|([0-9][1-9][0-9])))$” //负浮点数
“^(-?\d+)(\.\d+)?$” //浮点数
“2+$” //由26个英文字母组成的字符串
“3+$” //由26个英文字母的大写组成的字符串
“4+$” //由26个英文字母的小写组成的字符串
“5+$” //由数字和26个英文字母组成的字符串
“^\w+$” //由数字、26个英文字母或者下划线组成的字符串
“6+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$” //email地址
“7+://(\w+(-\w+))(\.(\w+(-\w+)))(\?\S)?$” //url
"\u4E00-\u9FBF"+//：CJK 统一表意符号 (CJK Unified Ideographs)
"\u4DC0-\u4DFF"+//：易经六十四卦符号 (Yijing Hexagrams Symbols)
"\u0000-\u007F"+//：C0控制符及基本拉丁文 (C0 Control and Basic Latin)
"\u0080-\u00FF"+//：C1控制符及拉丁：补充-1 (C1 Control and Latin 1 Supplement)
"\u0100-\u017F"+//：拉丁文扩展-A (Latin Extended-A)
"\u0180-\u024F"+//：拉丁文扩展-B (Latin Extended-B)
"\u0250-\u02AF"+//：国际音标扩展 (IPA Extensions)
"\u02B0-\u02FF"+//：空白修饰字母 (Spacing Modifiers)
"\u0300-\u036F"+//：结合用读音符号 (Combining Diacritics Marks)
"\u0370-\u03FF"+//：希腊文及科普特文 (Greek and Coptic)
"\u0400-\u04FF"+//：西里尔字母 (Cyrillic)
"\u0500-\u052F"+//：西里尔字母补充 (Cyrillic Supplement)
"\u0530-\u058F"+//：亚美尼亚语 (Armenian)
"\u0590-\u05FF"+//：希伯来文 (Hebrew)
"\u0600-\u06FF"+//：阿拉伯文 (Arabic)
"\u0700-\u074F"+//：叙利亚文 (Syriac)
"\u0750-\u077F"+//：阿拉伯文补充 (Arabic Supplement)
"\u0780-\u07BF"+//：马尔代夫语 (Thaana)
//"\u07C0-\u077F"+//：西非书面语言 (N'Ko)
"\u0800-\u085F"+//：阿维斯塔语及巴列维语 (Avestan and Pahlavi)
"\u0860-\u087F"+//：Mandaic
"\u0880-\u08AF"+//：撒马利亚语 (Samaritan)
"\u0900-\u097F"+//：天城文书 (Devanagari)
"\u0980-\u09FF"+//：孟加拉语 (Bengali)
"\u0A00-\u0A7F"+//：锡克教文 (Gurmukhi)
"\u0A80-\u0AFF"+//：古吉拉特文 (Gujarati)
"\u0B00-\u0B7F"+//：奥里亚文 (Oriya)
"\u0B80-\u0BFF"+//：泰米尔文 (Tamil)
"\u0C00-\u0C7F"+//：泰卢固文 (Telugu)
"\u0C80-\u0CFF"+//：卡纳达文 (Kannada)
"\u0D00-\u0D7F"+//：德拉维族语 (Malayalam)
"\u0D80-\u0DFF"+//：僧伽罗语 (Sinhala)
"\u0E00-\u0E7F"+//：泰文 (Thai)
"\u0E80-\u0EFF"+//：老挝文 (Lao)
"\u0F00-\u0FFF"+//：藏文 (Tibetan)
"\u1000-\u109F"+//：缅甸语 (Myanmar)
"\u10A0-\u10FF"+//：格鲁吉亚语 (Georgian)
"\u1100-\u11FF"+//：朝鲜文 (Hangul Jamo)
"\u1200-\u137F"+//：埃塞俄比亚语 (Ethiopic)
"\u1380-\u139F"+//：埃塞俄比亚语补充 (Ethiopic Supplement)
"\u13A0-\u13FF"+//：切罗基语 (Cherokee)
"\u1400-\u167F"+//：统一加拿大土著语音节 (Unified Canadian Aboriginal Syllabics)
"\u1680-\u169F"+//：欧甘字母 (Ogham)
"\u16A0-\u16FF"+//：如尼文 (Runic)
"\u1700-\u171F"+//：塔加拉语 (Tagalog)
"\u1720-\u173F"+//：Hanunóo
"\u1740-\u175F"+//：Buhid
"\u1760-\u177F"+//：Tagbanwa
"\u1780-\u17FF"+//：高棉语 (Khmer)
"\u1800-\u18AF"+//：蒙古文 (Mongolian)
"\u18B0-\u18FF"+//：Cham
"\u1900-\u194F"+//：Limbu
"\u1950-\u197F"+//：德宏泰语 (Tai Le)
"\u1980-\u19DF"+//：新傣仂语 (New Tai Lue)
"\u19E0-\u19FF"+//：高棉语记号 (Kmer Symbols)
"\u1A00-\u1A1F"+//：Buginese
"\u1A20-\u1A5F"+//：Batak
"\u1A80-\u1AEF"+//：Lanna
"\u1B00-\u1B7F"+//：巴厘语 (Balinese)
"\u1B80-\u1BB0"+//：巽他语 (Sundanese)
"\u1BC0-\u1BFF"+//：Pahawh Hmong
"\u1C00-\u1C4F"+//：雷布查语(Lepcha)
"\u1C50-\u1C7F"+//：Ol Chiki
"\u1C80-\u1CDF"+//：曼尼普尔语 (Meithei/Manipuri)
"\u1D00-\u1D7F"+//：语音学扩展 (Phone tic Extensions)
"\u1D80-\u1DBF"+//：语音学扩展补充 (Phonetic Extensions Supplement)
"\u1DC0-\u1DFF"+//结合用读音符号补充 (Combining Diacritics Marks Supplement)
"\u1E00-\u1EFF"+//：拉丁文扩充附加 (Latin Extended Additional)
"\u1F00-\u1FFF"+//：希腊语扩充 (Greek Extended)
"\u2000-\u206F"+//：常用标点 (General Punctuation)
"\u2070-\u209F"+//：上标及下标 (Superscripts and Subscripts)
"\u20A0-\u20CF"+//：货币符号 (Currency Symbols)
"\u20D0-\u20FF"+//：组合用记号 (Combining Diacritics Marks for Symbols)
"\u2100-\u214F"+//：字母式符号 (Letterlike Symbols)
"\u2150-\u218F"+//：数字形式 (Number Form)
"\u2190-\u21FF"+//：箭头 (Arrows)
"\u2200-\u22FF"+//：数学运算符 (Mathematical Operator)
"\u2300-\u23FF"+//：杂项工业符号 (Miscellaneous Technical)
"\u2400-\u243F"+//：控制图片 (Control Pictures)
"\u2440-\u245F"+//：光学识别符 (Optical Character Recognition)
"\u2460-\u24FF"+//：封闭式字母数字 (Enclosed Alphanumerics)
"\u2500-\u257F"+//：制表符 (Box Drawing)
"\u2580-\u259F"+//：方块元素 (Block Element)
"\u25A0-\u25FF"+//：几何图形 (Geometric Shapes)
"\u2600-\u26FF"+//：杂项符号 (Miscellaneous Symbols)
"\u2700-\u27BF"+//：印刷符号 (Dingbats)
"\u27C0-\u27EF"+//：杂项数学符号-A (Miscellaneous Mathematical Symbols-A)
"\u27F0-\u27FF"+//：追加箭头-A (Supplemental Arrows-A)
"\u2800-\u28FF"+//：盲文点字模型 (Braille Patterns)
"\u2900-\u297F"+//：追加箭头-B (Supplemental Arrows-B)
"\u2980-\u29FF"+//：杂项数学符号-B (Miscellaneous Mathematical Symbols-B)
"\u2A00-\u2AFF"+//：追加数学运算符 (Supplemental Mathematical Operator)
"\u2B00-\u2BFF"+//：杂项符号和箭头 (Miscellaneous Symbols and Arrows)
"\u2C00-\u2C5F"+//：格拉哥里字母 (Glagolitic)
"\u2C60-\u2C7F"+//：拉丁文扩展-C (Latin Extended-C)
"\u2C80-\u2CFF"+//：古埃及语 (Coptic)
"\u2D00-\u2D2F"+//：格鲁吉亚语补充 (Georgian Supplement)
"\u2D30-\u2D7F"+//：提非纳文 (Tifinagh)
"\u2D80-\u2DDF"+//：埃塞俄比亚语扩展 (Ethiopic Extended)
"\u2E00-\u2E7F"+//：追加标点 (Supplemental Punctuation)
"\u2E80-\u2EFF"+//：CJK 部首补充 (CJK Radicals Supplement)
"\u2F00-\u2FDF"+//：康熙字典部首 (Kangxi Radicals)
"\u2FF0-\u2FFF"+//：表意文字描述符 (Ideographic Description Characters)
"\u3000-\u303F"+//：CJK 符号和标点 (CJK Symbols and Punctuation)
"\u3040-\u309F"+//：日文平假名 (Hiragana)
"\u30A0-\u30FF"+//：日文片假名 (Katakana)
"\u3100-\u312F"+//：注音字母 (Bopomofo)
"\u3130-\u318F"+//：朝鲜文兼容字母 (Hangul Compatibility Jamo)
"\u3190-\u319F"+//：象形字注释标志 (Kanbun)
"\u31A0-\u31BF"+//：注音字母扩展 (Bopomofo Extended)
"\u31C0-\u31EF"+//：CJK 笔画 (CJK Strokes)
"\u31F0-\u31FF"+//：日文片假名语音扩展 (Katakana Phonetic Extensions)
"\u3200-\u32FF"+//：封闭式 CJK 文字和月份 (Enclosed CJK Letters and Months)
"\u3300-\u33FF"+//：CJK 兼容 (CJK Compatibility)
"\u3400-\u4DBF"+//：CJK 统一表意符号扩展 A (CJK Unified Ideographs Extension A)
"\u4DC0-\u4DFF"+//：易经六十四卦符号 (Yijing Hexagrams Symbols)
"\u4E00-\u9FBF"+//：CJK 统一表意符号 (CJK Unified Ideographs)
"\uA000-\uA48F"+//：彝文音节 (Yi Syllables)
"\uA490-\uA4CF"+//：彝文字根 (Yi Radicals)
"\uA500-\uA61F"+//：Vai
"\uA660-\uA6FF"+//：统一加拿大土著语音节补充 (Unified Canadian Aboriginal Syllabics Supplement)
"\uA700-\uA71F"+//：声调修饰字母 (Modifier Tone Letters)
"\uA720-\uA7FF"+//：拉丁文扩展-D (Latin Extended-D)
"\uA800-\uA82F"+//：Syloti Nagri
"\uA840-\uA87F"+//：八思巴字 (Phags-pa)
"\uA880-\uA8DF"+//：Saurashtra
"\uA900-\uA97F"+//：爪哇语 (Javanese)
"\uA980-\uA9DF"+//：Chakma
"\uAA00-\uAA3F"+//：Varang Kshiti
"\uAA40-\uAA6F"+//：Sorang Sompeng
"\uAA80-\uAADF"+//：Newari
"\uAB00-\uAB5F"+//：越南傣语 (Vi?t Thái)
"\uAB80-\uABA0"+//：Kayah Li
"\uAC00-\uD7AF"+//：朝鲜文音节 (Hangul Syllables)
//"\uD800-\uDBFF"+//：High-half zone of UTF-16
//"\uDC00-\uDFFF"+//：Low-half zone of UTF-16
"\uE000-\uF8FF"+//：自行使用区域 (Private Use Zone)
"\uF900-\uFAFF"+//：CJK 兼容象形文字 (CJK Compatibility Ideographs)
"\uFB00-\uFB4F"+//：字母表达形式 (Alphabetic Presentation Form)
"\uFB50-\uFDFF"+//：阿拉伯表达形式A (Arabic Presentation Form-A)
"\uFE00-\uFE0F"+//：变量选择符 (Variation Selector)
"\uFE10-\uFE1F"+//：竖排形式 (Vertical Forms)
"\uFE20-\uFE2F"+//：组合用半符号 (Combining Half Marks)
"\uFE30-\uFE4F"+//：CJK 兼容形式 (CJK Compatibility Forms)
"\uFE50-\uFE6F"+//：小型变体形式 (Small Form Variants)
"\uFE70-\uFEFF"+//：阿拉伯表达形式B (Arabic Presentation Form-B)
"\uFF00-\uFFEF"+//：半型及全型形式 (Halfwidth and Fullwidth Form)
"\uFFF0-\uFFFF]";//：特殊 (Specials);
屏蔽特殊字符:/[\ |\s*(.*?)\s+$|~|`|!|@|#|$|%|^|&|*|(|)|-|_|+|=|||\|[|]|{|}|;|:|"|’|,|\，|\。|\“|\”|\‘|\’|\¥|\？|\（|\）|\；|\：|\、|\！|<|.|>|/|?]/g
屏蔽表情：/[\u2190-\u21FF]|[\u2600-\u26FF]|[\u2700-\u27BF]|[\u3000-\u303F]|[\u1F300-\u1F64F]|[\u1F680-\u1F6FF]|\ud83c[\udf00-\udfff]|\ud83d[\udc00-\ude4f]|\ud83d[\ude80-\udeff]/g
屏蔽空格strs = str.replace(/\s+/g,"");
0-9 ↩︎
A-Za-z ↩︎
A-Z ↩︎
a-z ↩︎
A-Za-z0-9 ↩︎
\w- ↩︎
a-zA-z ↩︎