const regexTwo=newRegExp('808','g') /dpc/i ==> /.../(forward slashes) 正斜线 ,dpc(matching pattern) 模式匹配,i、g(optional flag(s)) 可选择的标志 匹配方式 const str = "dpc808"//str.match(regexOne)//"dpc" 匹配目标str.match(regexTwo )//"808" 匹配目标str.replace(/r/, ‘D’...
constzeroOrMoreOsRegex=/hi*/gi;constnormalHi="hi";consthappyHi="hiiiiii";consttwoHis="hiihii";constbye="bye";normalHi.match(zeroOrMoreOsRegex);// ["hi"]happyHi.match(zeroOrMoreOsRegex);// ["hiiiiii"]twoHis.match(zeroOrMoreOsRegex);// ["hii", "hii"]bye.match(zeroOrMoreOsRege...
produces the string “Hello! Regexps are fun.” Including the g flag will cause the interpreter to perform a global replace, finding and replacing every matching substring. For example,var s = "Hello. Regexps are fun." ;s = s.replace(/\./g, "!" ); // replace all periods with exc...
testString.match(regexWithAllMatches); // ["Repeat", "repeat", "rePeAT"]匹配任意字符 使⽤通配符. 作为任何字符的占位符 // To match "cat", "BAT", "fAT", "mat"const regexWithWildcard = /.at/gi;const testString = "cat BAT cupcake fAT mat dog";const allMatchingWords = testString....
@Post('notify-with-regex')asyncsendNotificationForRegExMatching():Promise<any>{returnthis.client.emit('pre-notify-post',{notify:true});} Also having a controller with the event handler and expecting messages that match the regular expression of/.*notify.*/: ...
const ipv4 = regex` \b \g<byte> (\.\g<byte>){3} \b # Define the 'byte' subpattern (?<byte> 2[0-4]\d | 25[0-5] | 1\d\d | [1-9]?\d ){0} `; Above, the {0} quantifier at the end of the (?<byte>…) group allows defining the group without matching it at tha...
For simple regexps we can do the similar thing manually. That is: match everything, in any context, and then filter by context in the loop. Remember, str.match (without flag g) and str.matchAll (always) return matches as arrays with ...
Mangle all properties matching aregex: $ uglifyjs example.js -c -m --mangle-props regex=/_$/ varx={o:0,_:1,calc:function(){returnthis._+this.o}};x.l=2,x.o=3,console.log(x.calc()); Combining mangle properties options:
nested match syntax:thedangerbeauty of regex is that you can recurse indefinitely. Our match syntax is much weaker. Things like this are not(yet)possible:doc.match('(modern (major|minor))? general')complex matches must be achieved with successive.match()statements. ...
--mangle-regex Only mangle property names matching the regex --name-cache File to hold mangled names mappings --pure-funcs List of functions that can be safely removed if their return value is not used [array] Specify--output(-o) to declare the output file. Otherwise the output goes to ...