Regular Expressions 101

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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
No Match

/
/
g

Test String

Code Generator

Language

Generated Code

$re = '/.*\[[^\[\]]*\]\s*=\s*\{[^{}]*\["fontSize"\]\s*=\s*20[^{}]*}/'; $str = 'testing = { ["frame 1"] = { ["fontSize"] = 20, ["displayStacks"] = "%p", ["xOffset"] = 251.000518798828, ["stacksPoint"] = "BOTTOM", ["regionType"] = "icon", ["yOffset"] = 416.000183105469, ["anchorPoint"] = "CENTER", ["parent"] = "Target Shit", ["numTriggers"] = 1, ["customTextUpdate"] = "update", ["id"] = "Invulnerabilities 2", ["icon"] = true, ["fontFlags"] = "OUTLINE", ["stacksContainment"] = "OUTSIDE", ["zoom"] = 0, ["auto"] = true, ["selfPoint"] = "CENTER", ["width"] = 60, ["frameStrata"] = 1, ["desaturate"] = false, ["stickyDuration"] = true, ["font"] = "Emblem", ["inverse"] = false, ["height"] = 60, }, ["frame 2"] = { ["fontSize"] = 20, ["displayStacks"] = "%p", ["parent"] = "Target Shit", ["xOffset"] = 118.000427246094, ["stacksPoint"] = "BOTTOM", ["anchorPoint"] = "CENTER", ["untrigger"] = { }, ["regionType"] = "icon", ["color"] = { 1, -- [1] 1, -- [2] 1, -- [3] 1, -- [4] }, ["desaturate"] = false, ["frameStrata"] = 1, ["stickyDuration"] = true, ["width"] = 60, ["font"] = "Emblem", ["inverse"] = false, ["icon"] = true, ["height"] = 60, ["yOffset"] = 241 } }'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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