^\d+$銆銆//鍖歸厤闈炶礋鏁存暟錛堟鏁存暟 + 0錛?
^[0-9]*[1-9][0-9]*$銆銆//鍖歸厤姝ｆ暣鏁?
^((-\d+)|(0+))$銆銆//鍖歸厤闈炴鏁存暟錛堣礋鏁存暟 + 0錛?
^-[0-9]*[1-9][0-9]*$銆銆//鍖歸厤璐熸暣鏁?
^-?\d+$銆銆銆銆//鍖歸厤鏁存暟
^\d+(\.\d+)?$銆銆//鍖歸厤闈炶礋嫻偣鏁幫紙姝ｆ誕鐐規(guī)暟 + 0錛?
^(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$銆銆//鍖歸厤姝ｆ誕鐐規(guī)暟
^((-\d+(\.\d+)?)|(0+(\.0+)?))$銆銆//鍖歸厤闈炴嫻偣鏁幫紙璐熸誕鐐規(guī)暟 + 0錛?
^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$銆銆//鍖歸厤璐熸誕鐐規(guī)暟
^(-?\d+)(\.\d+)?$銆銆//鍖歸厤嫻偣鏁?
^[A-Za-z]+$銆銆//鍖歸厤鐢?6涓嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓?
^[A-Z]+$銆銆//鍖歸厤鐢?6涓嫳鏂囧瓧姣嶇殑澶у啓緇勬垚鐨勫瓧絎︿覆
^[a-z]+$銆銆//鍖歸厤鐢?6涓嫳鏂囧瓧姣嶇殑灝忓啓緇勬垚鐨勫瓧絎︿覆
^[A-Za-z0-9]+$銆銆//鍖歸厤鐢辨暟瀛楀拰26涓嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓?
^\w+$銆銆//鍖歸厤鐢辨暟瀛椼?6涓嫳鏂囧瓧姣嶆垨鑰呬笅鍒掔嚎緇勬垚鐨勫瓧絎︿覆
^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$銆銆銆銆//鍖歸厤email鍦板潃
^[a-zA-z]+://鍖歸厤(\w+(-\w+)*)(\.(\w+(-\w+)*))*(\?\S*)?$銆銆//鍖歸厤url
鍖歸厤涓枃瀛楃鐨勬鍒欒〃杈懼紡錛?[\u4e00-\u9fa5]
鍖歸厤鍙屽瓧鑺傚瓧絎?鍖呮嫭姹夊瓧鍦ㄥ唴)錛歔^\x00-\xff]
鍖歸厤絀鴻鐨勬鍒欒〃杈懼紡錛歕n[\s| ]*\r
鍖歸厤HTML鏍囪鐨勬鍒欒〃杈懼紡錛?<(.*)>.*<\/>|<(.*) \/>/
鍖歸厤棣栧熬絀烘牸鐨勬鍒欒〃杈懼紡錛?^\s*)|(\s*$)
鍖歸厤Email鍦板潃鐨勬鍒欒〃杈懼紡錛歕w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*
鍖歸厤緗戝潃URL鐨勬鍒欒〃杈懼紡錛歗[a-zA-z]+://(\w+(-\w+)*)(\.(\w+(-\w+)*))*(\?\S*)?$
鍖歸厤甯愬彿鏄惁鍚堟硶(瀛楁瘝寮澶達紝鍏佽5-16瀛楄妭錛屽厑璁稿瓧姣嶆暟瀛椾笅鍒掔嚎)錛歗[a-zA-Z][a-zA-Z0-9_]{4,15}$
鍖歸厤鍥藉唴鐢?shù)璇濆忥L爜錛?\d{3}-|\d{4}-)?(\d{8}|\d{7})?
鍖歸厤鑵捐QQ鍙鳳細^[1-9]*[1-9][0-9]*$
涓嬭〃鏄厓瀛楃鍙婂叾鍦ㄦ鍒欒〃杈懼紡涓婁笅鏂囦腑鐨勮涓虹殑涓涓畬鏁村垪琛細
\ 灝嗕笅涓涓瓧絎︽爣璁頒負涓涓壒孌婂瓧絎︺佹垨涓涓師涔夊瓧絎︺佹垨涓涓悗鍚戝紩鐢ㄣ佹垨涓涓叓榪涘埗杞箟絎︺?
^ 鍖歸厤杈撳叆瀛楃涓茬殑寮濮嬩綅緗傚鏋滆緗簡 RegExp 瀵硅薄鐨凪ultiline 灞炴э紝^ 涔熷尮閰?’\n’ 鎴?’\r’ 涔嬪悗鐨勪綅緗?
$ 鍖歸厤杈撳叆瀛楃涓茬殑緇撴潫浣嶇疆銆傚鏋滆緗簡 RegExp 瀵硅薄鐨凪ultiline 灞炴э紝$ 涔熷尮閰?’\n’ 鎴?’\r’ 涔嬪墠鐨勪綅緗?
* 鍖歸厤鍓嶉潰鐨勫瓙琛ㄨ揪寮忛浂嬈℃垨澶氭銆?
+ 鍖歸厤鍓嶉潰鐨勫瓙琛ㄨ揪寮忎竴嬈℃垨澶氭銆? 絳変環(huán)浜?{1,}銆?
? 鍖歸厤鍓嶉潰鐨勫瓙琛ㄨ揪寮忛浂嬈℃垨涓嬈°? 絳変環(huán)浜?{0,1}銆?
{n} n 鏄竴涓潪璐熸暣鏁幫紝鍖歸厤紜畾鐨刵 嬈°?
{n,} n 鏄竴涓潪璐熸暣鏁幫紝鑷沖皯鍖歸厤n 嬈°?
{n,m} m 鍜?n 鍧囦負闈炶礋鏁存暟錛屽叾涓璶 <= m銆傛渶灝戝尮閰?n 嬈′笖鏈澶氬尮閰?m 嬈°傚湪閫楀彿鍜屼袱涓暟涔嬮棿涓嶈兘鏈夌┖鏍箋?
? 褰撹瀛楃绱ц窡鍦ㄤ換浣曚竴涓叾浠栭檺鍒剁 (*, +, ?, {n}, {n,}, {n,m}) 鍚庨潰鏃訛紝鍖歸厤妯″紡鏄潪璐┆鐨勩傞潪璐┆妯″紡灝藉彲鑳藉皯鐨勫尮閰嶆墍鎼滅儲鐨勫瓧絎︿覆錛岃岄粯璁ょ殑璐┆妯″紡鍒欏敖鍙兘澶氱殑鍖歸厤鎵鎼滅儲鐨勫瓧絎︿覆銆?
. 鍖歸厤闄?"\n" 涔嬪鐨勪換浣曞崟涓瓧絎︺傝鍖歸厤鍖呮嫭 ’\n’ 鍦ㄥ唴鐨勪換浣曞瓧絎︼紝璇蜂嬌鐢ㄨ薄 ’[.\n]’ 鐨勬ā寮忋?
(pattern) 鍖歸厤pattern 騫惰幏鍙栬繖涓鍖歸厤銆?
(?:pattern) 鍖歸厤pattern 浣嗕笉鑾峰彇鍖歸厤緇撴灉錛屼篃灝辨槸璇磋繖鏄竴涓潪鑾峰彇鍖歸厤錛屼笉榪涜瀛樺偍渚涗互鍚庝嬌鐢ㄣ?
(?=pattern) 姝ｅ悜棰勬煡錛屽湪浠諱綍鍖歸厤 pattern 鐨勫瓧絎︿覆寮濮嬪鍖歸厤鏌ユ壘瀛楃涓層傝繖鏄竴涓潪鑾峰彇鍖歸厤錛屼篃灝辨槸璇達紝璇ュ尮閰嶄笉闇瑕佽幏鍙栦緵浠ュ悗浣跨敤銆?
(?!pattern) 璐熷悜棰勬煡錛屼笌(?=pattern)浣滅敤鐩稿弽
x|y 鍖歸厤 x 鎴?y銆?
[xyz] 瀛楃闆嗗悎銆?
[^xyz] 璐熷煎瓧絎﹂泦鍚堛?
[a-z] 瀛楃鑼冨洿錛屽尮閰嶆寚瀹氳寖鍥村唴鐨勪換鎰忓瓧絎︺?
[^a-z] 璐熷煎瓧絎﹁寖鍥達紝鍖歸厤浠諱綍涓嶅湪鎸囧畾鑼冨洿鍐呯殑浠繪剰瀛楃銆?
\b 鍖歸厤涓涓崟璇嶈竟鐣岋紝涔熷氨鏄寚鍗曡瘝鍜岀┖鏍奸棿鐨勪綅緗?
\B 鍖歸厤闈炲崟璇嶈竟鐣屻?
\cx 鍖歸厤鐢眡鎸囨槑鐨勬帶鍒跺瓧絎︺?
\d 鍖歸厤涓涓暟瀛楀瓧絎︺傜瓑浠蜂簬 [0-9]銆?
\D 鍖歸厤涓涓潪鏁板瓧瀛楃銆傜瓑浠蜂簬 [^0-9]銆?
\f 鍖歸厤涓涓崲欏電銆傜瓑浠蜂簬 \x0c 鍜?\cL銆?
\n 鍖歸厤涓涓崲琛岀銆傜瓑浠蜂簬 \x0a 鍜?\cJ銆?
\r 鍖歸厤涓涓洖杞︾銆傜瓑浠蜂簬 \x0d 鍜?\cM銆?
\s 鍖歸厤浠諱綍絀虹櫧瀛楃錛屽寘鎷┖鏍箋佸埗琛ㄧ銆佹崲欏電絳夌瓑銆傜瓑浠蜂簬[ \f\n\r\t\v]銆?
\S 鍖歸厤浠諱綍闈炵┖鐧藉瓧絎︺傜瓑浠蜂簬 [^ \f\n\r\t\v]銆?
\t 鍖歸厤涓涓埗琛ㄧ銆傜瓑浠蜂簬 \x09 鍜?\cI銆?
\v 鍖歸厤涓涓瀭鐩村埗琛ㄧ銆傜瓑浠蜂簬 \x0b 鍜?\cK銆?
\w 鍖歸厤鍖呮嫭涓嬪垝綰跨殑浠諱綍鍗曡瘝瀛楃銆傜瓑浠蜂簬’[A-Za-z0-9_]’銆?
\W 鍖歸厤浠諱綍闈炲崟璇嶅瓧絎︺傜瓑浠蜂簬 ’[^A-Za-z0-9_]’銆?
\xn 鍖歸厤 n錛屽叾涓?n 涓哄崄鍏繘鍒惰漿涔夊箋傚崄鍏繘鍒惰漿涔夊煎繀欏諱負紜畾鐨勪袱涓暟瀛楅暱銆?
\num 鍖歸厤 num錛屽叾涓璶um鏄竴涓鏁存暟銆傚鎵鑾峰彇鐨勫尮閰嶇殑寮曠敤銆?
\n 鏍囪瘑涓涓叓榪涘埗杞箟鍊兼垨涓涓悗鍚戝紩鐢ㄣ傚鏋?\n 涔嬪墠鑷沖皯 n 涓幏鍙栫殑瀛愯〃杈懼紡錛屽垯 n 涓哄悗鍚戝紩鐢ㄣ傚惁鍒欙紝濡傛灉 n 涓哄叓榪涘埗鏁板瓧 (0-7)錛屽垯 n 涓轟竴涓叓榪涘埗杞箟鍊箋?
\nm 鏍囪瘑涓涓叓榪涘埗杞箟鍊兼垨涓涓悗鍚戝紩鐢ㄣ傚鏋?\nm 涔嬪墠鑷沖皯鏈塱s preceded by at least nm 涓幏鍙栧緱瀛愯〃杈懼紡錛屽垯 nm 涓哄悗鍚戝紩鐢ㄣ傚鏋?\nm 涔嬪墠鑷沖皯鏈?n 涓幏鍙栵紝鍒?n 涓轟竴涓悗璺熸枃瀛?m 鐨勫悗鍚戝紩鐢ㄣ傚鏋滃墠闈㈢殑鏉′歡閮戒笉婊¤凍錛岃嫢 n 鍜?m 鍧囦負鍏繘鍒舵暟瀛?(0-7)錛屽垯 \nm 灝嗗尮閰嶅叓榪涘埗杞箟鍊?nm銆?
\nml 濡傛灉 n 涓哄叓榪涘埗鏁板瓧 (0-3)錛屼笖 m 鍜?l 鍧囦負鍏繘鍒舵暟瀛?(0-7)錛屽垯鍖歸厤鍏?
]]>