10 examples of 'regex match until character' in JavaScript

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111public advanceUntilRegExp(regex: RegExp): string {
112 const str = this.source.substr(this.position);
113 const match = str.match(regex);
114 if (match) {
115 this.position = this.position + match.index!;
116 return match[0];
117 } else {
118 this.goToEnd();
119 }
120 return '';
121}
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72eatWhile(match: mixed): boolean {
73 let isMatched = this._testNextCharacter(match);
74 let didEat = false;
75
76 // If a match, treat the total upcoming matches as one token
77 if (isMatched) {
78 didEat = isMatched;
79 this._start = this._pos;
80 }
81
82 while (isMatched) {
83 this._pos ++;
84 isMatched = this._testNextCharacter(match);
85 didEat = true;
86 }
87
88 return didEat;
89}
170function currentCharMatchesRegex(currentChar: string, token: ITokenRegex): boolean {
171 const match = currentChar.match(token.regex);
172 return (match && match[0] === currentChar);
173}
96readRegexReturnCapture_(regex, index) {
97 if (this.atEnd()) {
98 return null;
99 }
100
101 const ret = this.readRegex(regex);
102 if (!ret) {
103 return null;
104 } else {
105 return ret[index];
106 }
107}
414function collectUntil(re) {
415 const matches = new RegExp(`^([^${re}]*)`).exec(input.substr(current))
416 next(matches[1].length)
417 return matches[1]
418}
324function currentCharMatchesRegex(currentChar, token) {
325 const match = currentChar.match(token.regex);
326 return (match && match[0] === currentChar);
327}
18getStringUntilNonEscapedChar(terminalRegex: RegExp | string): string {
19 // if (typeof terminalRegex === 'string') {
20 // }
21 const chars: string[] = [];
22 for (let i = this.pos; i < this.len + 1; i++) {
23 this.pos = i;
24 if (this.str.charAt(i) == "\\" && this.str.charAt(i + 1).match(terminalRegex)) {
25 i++;
26 this.pos = i;
27 } else if (this.str.charAt(i).match(terminalRegex)) {
28 break;
29 }
30 chars.push(this.str.charAt(i));
31 }
32 return chars.join("");
33}
101public advanceIfRegExp(regex: RegExp): string {
102 const str = this.source.substr(this.position);
103 const match = str.match(regex);
104 if (match) {
105 this.position = this.position + match.index + match[0].length;
106 return match[0];
107 }
108 return '';
109}
77readRegex(regex) {
78 const index = this.indexOf_(regex);
79 if (this.atEnd() || index == null || index.position != this.position_) {
80 return null;
81 }
82
83 this.position_ += index.length;
84 return index.results;
85}
67protected eatUntil(match: RegExp): string {
68 let i = 0;
69
70 while (!match.test(this._str.charAt(this._currLocation + i))) {
71 i++;
72 if (i + this._currLocation > this._strLength) {
73 break;
74 }
75 }
76
77 this._currLocation += i;
78 return this._str.substr(this._currLocation - i, i);
79}

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