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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
Processing...

Test String

Substitution
Processing...

Code Generator

Language

Generated Code

$re = '/r: "none"(?=[^{}]+i: "garson2")/m'; $str = '"589": { p: "no-repeat", c: 97, q: "100% 100%", bS: 420, cP: "garson", r: "none", d: 138, cQ: 1, gg: "0", cR: 1, aP: "pointer", h: "553", i: "garson2", bF: "578", aI: 35, j: "absolute", x: "visible", aA: { a: [{ d: 1.1, p: 1, g: 1, f: 1 }, { p: 4, h: "474" }, { p: 4, h: "476" }] }, k: "div", aJ: 35, dB: "img", z: 23, Q: 16, aK: 35, R: "rgba(0, 0, 0, 0.411)", S: 5, a: 140, aL: 35, T: 4, b: 2 }'; $subst = "r: \"inline\""; $result = preg_replace($re, $subst, $str); echo "The result of the substitution is ".$result;

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php