regex quantifiers

Pink Person answered on November 23, 2020 Popularity 10/10 Helpfulness 5/10

answer regex quantifiers

regex quantifiers

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/* matching using quantifiers */
regex= /X./; // matches any character
regex= /X*/; // Matches zero or several repetitions of letter X, is short for {0,}
regex= /X+-/; // matches one or more repetitions of letter X, is short for {1,}
regex= /X?/; // finds no or exactly one letter X, is short for is short for {0,1}.
regex= // d{3}; // matches three digits. {} describes the order of the preceding liberal
regex= // d{1,4} ; // means d must occur at least once and at a maximum of four
A quantifies helps developers to define how often an element occurs.

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript quantifiers regex

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Contributed on Nov 23 2020

Pink Person

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regex quantifiers

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