regexfy

installation

npm i regexfy

Examples

Postal code

   const regexp = new RGFYBuilder({
        startStrict: true,
        caseInsensitive: false,
    })
        .startGroup()
        .charBetween('A', 'Z')
        .digit()
        .charBetween('A', 'Z')
        .expression(RGFYEscapedCharacters.WHITE_SPACE)
        .digit()
        .charBetween('A', 'Z')
        .digit()
        .endGroup()
        .end({ strict: true });

    expect(regexp.test('G1R 2L9')).toBe(true);

    expect(regexp.test('G1R 229')).toBe(false);
    expect(regexp.test('G1R2L9')).toBe(false);
    expect(regexp.test('g1r 2l9')).toBe(false);

Website url

    const regexp = new RGFYBuilder({ startStrict: true })
        .startGroup(RGFYRegularOccurences.ZERO_OR_ONE)
        .startGroup()
        .thisOneOrNextOne()
        .expression('http://')
        .endGroup()
        .startGroup()
        .expression('https://')
        .endGroup()
        .endGroup()
        .startGroup(RGFYRegularOccurences.ZERO_OR_MORE)
        .word(RGFYRegularOccurences.ONE_OR_MORE)
        .expression(RGFYEscapedCharacters.DOT)
        .endGroup()
        .startGroup()
        .word(RGFYRegularOccurences.ONE_OR_MORE)
        .endGroup()
        .end({ strict: true });

    expect(regexp.test('www.google.com')).toBe(true);
    expect(regexp.test('http://www.google.com')).toBe(true);
    expect(regexp.test('https://www.google.com')).toBe(true);

    expect(regexp.test('htttps://www.google.com')).toBe(false);
    expect(regexp.test('htttps://.com')).toBe(false);
    expect(regexp.test('htttps://com.')).toBe(false);
    expect(regexp.test('htttps://')).toBe(false);
    expect(regexp.test('htttps://.')).toBe(false);
    expect(regexp.test('htttps://com')).toBe(false);
    expect(regexp.test('www.google.com.')).toBe(false);
    expect(regexp.test('www.google.com.')).toBe(false);

Full name

   const regexp = new RGFYBuilder({
        startStrict: true,
        caseInsensitive: false,
    })
        .startGroup()
        .charBetween('A', 'Z')
        .word(RGFYRegularOccurences.ONE_OR_MORE)
        .expression(RGFYEscapedCharacters.WHITE_SPACE)
        .charBetween('A', 'Z')
        .word(RGFYRegularOccurences.ONE_OR_MORE)
        .endGroup()
        .end();

    expect(regexp.test('John Doe')).toBe(true);

    expect(regexp.test('JohnDoe')).toBe(false);
    expect(regexp.test('John doe')).toBe(false);
    expect(regexp.test('john Doe')).toBe(false);

Phone number

   const regexp = new RGFYBuilder({
        startStrict: true,
    })
        .startGroup()
        .expression(
            RGFYEscapedCharacters.OPEN_PARENTHESES,
            RGFYRegularOccurences.ZERO_OR_ONE
        )
        .digit({ exact: 3 })
        .expression(
            RGFYEscapedCharacters.CLOSE_PARENTHESES,
            RGFYRegularOccurences.ZERO_OR_ONE
        )
        .endGroup()
        .startGroup('dashFormat')
        .startGroup()
        .thisOneOrNextOne()
        .expression('-')
        .endGroup()
        .startGroup()
        .thisOneOrNextOne()
        .expression('.')
        .endGroup()
        .startGroup()
        .expression(RGFYEscapedCharacters.WHITE_SPACE)
        .endGroup()
        .endGroup()
        .startGroup()
        .digit({ exact: 3 })
        .endGroup()
        .startGroup()
        .backReference('dashFormat')
        .endGroup()
        .startGroup()
        .digit({ exact: 4 })
        .endGroup()
        .end({ strict: true });

    expect(regexp.test('999-123-1234')).toBe(true);
    expect(regexp.test('(999)-123-1234')).toBe(true);
    expect(regexp.test('999.123.1234')).toBe(true);
    expect(regexp.test('(999).123.1234')).toBe(true);
    expect(regexp.test('999 123 1234')).toBe(true);
    expect(regexp.test('(999) 123 1234')).toBe(true);

    expect(regexp.test('999-123.1234')).toBe(false);
    expect(regexp.test('999 123-1234')).toBe(false);
    expect(regexp.test('999.123 1234')).toBe(false);