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
Processing...

Test String

Code Generator

Language

Generated Code

import re regex = re.compile(r"void\s*\*\s*([0-9a-zA-Z\_]*)\s*\[\s*\]\s*\[[0-9a-zA-Z_]*\]\s*=\s*\{(.*?)\}\s*;", flags=re.MULTILINE | re.DOTALL) test_str = ("/**\n" " * Link\\'s eyes and mouth textures are placed at the exact same place in adult and child Link\\'s respective object files.\n" " * This allows the array to only contain the symbols for one file and have it apply to both. This is a problem for\n" " * shiftability, and changes will need to be made in the code to account for this in a modding scenario. The symbols\n" " * from adult Link\\'s object are used here.\n" " */\n" "#ifndef AVOID_UB\n" "void* sEyeTextures[PLAYER_EYES_MAX] = {\n" " gLinkAdultEyesOpenTex, // PLAYER_EYES_OPEN\n" " gLinkAdultEyesHalfTex, // PLAYER_EYES_HALF\n" " gLinkAdultEyesClosedfTex, // PLAYER_EYES_CLOSED\n" " gLinkAdultEyesLeftTex, // PLAYER_EYES_LEFT\n" " gLinkAdultEyesRightTex, // PLAYER_EYES_RIGHT\n" " gLinkAdultEyesWideTex, // PLAYER_EYES_WIDE\n" " gLinkAdultEyesDownTex, // PLAYER_EYES_DOWN\n" " gLinkAdultEyesWincingTex, // PLAYER_EYES_WINCING\n" "};\n\n" "void* sMouthTextures[PLAYER_MOUTH_MAX] = {\n" " gLinkAdultMouthClosedTex, // PLAYER_MOUTH_CLOSED\n" " gLinkAdultMouthHalfTex, // PLAYER_MOUTH_HALF\n" " gLinkAdultMouthOpenTex, // PLAYER_MOUTH_OPEN\n" " gLinkAdultMouthSmileTex, // PLAYER_MOUTH_SMILE\n" "};\n" "#else\n" "// Defining `AVOID_UB` will use a 2D array instead and properly use the child link pointers to allow for shifting.\n" "void* sEyeTextures[][PLAYER_EYES_MAX] = {\n" " {\n" " gLinkAdultEyesOpenTex, // PLAYER_EYES_OPEN\n" " gLinkAdultEyesHalfTex, // PLAYER_EYES_HALF\n" " gLinkAdultEyesClosedfTex, // PLAYER_EYES_CLOSED\n" " gLinkAdultEyesLeftTex, // PLAYER_EYES_LEFT\n" " gLinkAdultEyesRightTex, // PLAYER_EYES_RIGHT\n" " gLinkAdultEyesWideTex, // PLAYER_EYES_WIDE\n" " gLinkAdultEyesDownTex, // PLAYER_EYES_DOWN\n" " gLinkAdultEyesWincingTex, // PLAYER_EYES_WINCING\n" " },\n" " {\n" " gLinkChildEyesOpenTex, // PLAYER_EYES_OPEN\n" " gLinkChildEyesHalfTex, // PLAYER_EYES_HALF\n" " gLinkChildEyesClosedfTex, // PLAYER_EYES_CLOSED\n" " gLinkChildEyesLeftTex, // PLAYER_EYES_LEFT\n" " gLinkChildEyesRightTex, // PLAYER_EYES_RIGHT\n" " gLinkChildEyesWideTex, // PLAYER_EYES_WIDE\n" " gLinkChildEyesDownTex, // PLAYER_EYES_DOWN\n" " gLinkChildEyesWincingTex, // PLAYER_EYES_WINCING\n" " },\n" "};\n\n" "void* sMouthTextures[][PLAYER_MOUTH_MAX] = {\n" " {\n" " gLinkAdultMouthClosedTex, // PLAYER_MOUTH_CLOSED\n" " gLinkAdultMouthHalfTex, // PLAYER_MOUTH_HALF\n" " gLinkAdultMouthOpenTex, // PLAYER_MOUTH_OPEN\n" " gLinkAdultMouthSmileTex, // PLAYER_MOUTH_SMILE\n" " },\n" " {\n" " gLinkChildMouthClosedTex, // PLAYER_MOUTH_CLOSED\n" " gLinkChildMouthHalfTex, // PLAYER_MOUTH_HALF\n" " gLinkChildMouthOpenTex, // PLAYER_MOUTH_OPEN\n" " gLinkChildMouthSmileTex, // PLAYER_MOUTH_SMILE\n" " },\n" "};\n" "#endif\n\n" "Color_RGB8 sTunicColors[PLAYER_TUNIC_MAX] = {\n" " { 30, 105, 27 }, // PLAYER_TUNIC_KOKIRI\n" " { 100, 20, 0 }, // PLAYER_TUNIC_GORON\n" " { 0, 60, 100 }, // PLAYER_TUNIC_ZORA\n" "};\n\n" "Color_RGB8 sGauntletColors[] = {\n" " { 255, 255, 255 },\n" " { 254, 207, 15 },\n" "};\n\n" "Gfx* sBootDListGroups[][2] = {\n" " { gLinkAdultLeftIronBootDL, gLinkAdultRightIronBootDL }, // PLAYER_BOOTS_IRON\n" " { gLinkAdultLeftHoverBootDL, gLinkAdultRightHoverBootDL }, // PLAYER_BOOTS_HOVER\n" "};\n") matches = regex.finditer(test_str) for match_num, match in enumerate(matches, start=1): print(f"Match {match_num} was found at {match.start()}-{match.end()}: {match.group()}") for group_num, group in enumerate(match.groups(), start=1): print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")

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 Python, please visit: https://docs.python.org/3/library/re.html