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alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundColor backgroundImage backgroundPosition backgroundRepeat backgroundClip backgroundOrigin backgroundSize backfaceVisibility border borderBottom borderBottomColor borderBottomLeftRadius borderBottomRightRadius borderBottomStyle borderBottomWidth borderCollapse borderColor borderImage borderImageOutset borderImageRepeat borderImageSlice borderImageSource borderImageWidth borderLeft borderLeftColor borderLeftStyle borderLeftWidth borderRadius borderRight borderRightColor borderRightStyle borderRightWidth borderSpacing borderStyle borderTop borderTopColor borderTopLeftRadius borderTopRightRadius borderTopStyle borderTopWidth borderWidth bottom boxShadow boxSizing captionSide caretColor clear clip color columnCount columnFill columnGap columnRule columnRuleColor columnRuleStyle columnRuleWidth columns columnSpan columnWidth counterIncrement counterReset cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap cssFloat font fontFamily fontSize fontStyle fontVariant fontWeight fontSizeAdjust height isolation justifyContent left letterSpacing lineHeight listStyle listStyleImage listStylePosition listStyleType margin marginBottom marginLeft marginRight marginTop maxHeight maxWidth minHeight minWidth objectFit objectPosition opacity order orphans outline outlineColor outlineOffset outlineStyle outlineWidth overflow overflowX overflowY padding paddingBottom paddingLeft paddingRight paddingTop pageBreakAfter pageBreakBefore pageBreakInside perspective perspectiveOrigin position quotes resize right scrollBehavior tableLayout tabSize textAlign textAlignLast textDecoration textDecorationColor textDecorationLine textDecorationStyle textIndent textOverflow textShadow textTransform top transform transformOrigin transformStyle transition transitionProperty transitionDuration transitionTimingFunction transitionDelay unicodeBidi userSelect verticalAlign visibility width wordBreak wordSpacing wordWrap widows zIndex

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Other References

CSSStyleDeclaration JS Conversion


Teste JavaScript RegExp()


Exemplo

Pesquise uma string pelo caractere "e":

let text = "The best things in life are free"; let pattern = /e/;
let result = pattern.test(text);

Definição e uso

O método test() testa uma correspondência em uma string.

Se encontrar uma correspondência, retorna true, caso contrário, retorna false.

Suporte ao navegador

test()é um recurso ECMAScript1 (ES1).

ES1 (JavaScript 1997) é totalmente suportado em todos os navegadores:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes


Sintaxe

RegExpObject.test(string)

Valores de parâmetro

Parameter Description
string Required. The string to be searched

Valor de retorno

Type Description
Boolean Returns true if it finds a match, otherwise false


Mais exemplos

Exemplo

Faça uma pesquisa global e teste "Hello" e "W3Schools" em uma string:

// The string:
let text = "Hello world!";

// Look for "Hello"
let pattern1 = /Hello/g;
let result1 = patt.test(text);

// Look for "W3Schools"
let pattern2 = /W3Schools/g;
let result2 = pattern2.test(text);

Métodos de pesquisa de expressões regulares

Em JavaScript, uma pesquisa de texto de expressão regular pode ser feita com diferentes métodos.

Com um padrão como uma expressão regular, estes são os métodos mais comuns:

ExemploDescrição
text.match( padrão )O método String match()
text.search( padrão )O método String search()
padrão .exec(texto)O método RexExp exec()
padrão .test(texto)O método RegExp test()