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

/
/
gm

Test String

Code Generator

Language

Generated Code

$re = '/("text":\s*\{\s*"ja_JP":\s*")([^"]*)"/m'; $str = '"textList": [ { "id": 4, "name": "modeselect", "folder": true, "children": [ { "id": 13, "name": "Motion", "fontId": 6, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Motion" }, "folder": false }, { "id": 12, "name": "Story", "fontId": 7, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Story" }, "folder": false }, { "id": 11, "name": "Main_Character", "fontId": 6, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Main Character" }, "folder": false }, { "id": 5, "name": "Mode_select", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Mode Select" }, "folder": false }, { "id": 24, "name": "Story_Mode", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Story Mode" }, "folder": false }, { "id": 25, "name": "Battle_Mode", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Battle Mode" }, "folder": false }, { "id": 8297, "name": "Dictionary", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Dictionary" }, "folder": false }, { "id": 46, "name": "Z_desition", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Z key:OK\\nC key:Back" }, "folder": false }, { "id": 47, "name": "back_to_the_title", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Back to the title?" }, "folder": false }, { "id": 51, "name": "select_mode", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Select Mode" }, "folder": false }, { "id": 8298, "name": "Go_to_the_Story_Mode", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Go to the Story Mode?" }, "folder": false }, { "id": 8299, "name": "Go_to_the_Battle_Mode", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Go to the Battle Mode?" }, "folder": false }, { "id": 8300, "name": "Go_to_the_Dictionary", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Go to the Dictionary?" }, "folder": false }, { "id": 48, "name": "ok", "fontId": 8, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "OK" }, "folder": false }, { "id": 49, "name": "cancel", "fontId": 8, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Cancel" }, "folder": false }, { "id": 7, "name": "Story_outline", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "自由奔放で傲慢な魔族\\nであるアストリア。\\nアストリアは最近\\n地上に住まう種族の\\n殲滅に勤しんでいた。\\n次第に恐怖と畏れから\\n地上に住まう者達に名が\\n知れ渡り始めていた。\\nある日、アストリアの\\n元に面倒事が\\n持ち込まれる・・・" }, "folder": false }, { "id": 6, "name": "character_name", "folder": true, "children": [ { "id": 8, "name": "Astoria", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Astoria" }, "folder": false }, { "id": 19, "name": "Test2_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Test2" }, "folder": false }, { "id": 20, "name": "Test3_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Test3" }, "folder": false }, { "id": 21, "name": "Test4_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Test4" }, "folder": false }, { "id": 22, "name": "Test5_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Test5" }, "folder": false }, { "id": 23, "name": "Test6_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Test6" }, "folder": false } ] }, { "id": 9, "name": "story_name", "folder": true, "children": [ { "id": 10, "name": "Story1_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "1. 魔族娘の自由旅" }, "folder": false }, { "id": 14, "name": "Story2_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "2. " }, "folder": false }, { "id": 15, "name": "Story3_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "3. " }, "folder": false }, { "id": 16, "name": "Story4_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "4. " }, "folder": false }, { "id": 17, "name": "Story5_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "5. " }, "folder": false }, { "id": 18, "name": "Story6_name", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "6. " }, "folder": false } ] } ] }, { "id": 26, "name": "stageselect", "folder": true, "children": [ { "id": 31, "name": "Stage_select", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Stage Select" }, "folder": false }, { "id": 32, "name": "GameStart", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Game Start" }, "folder": false }, { "id": 33, "name": "Enemy_Character", "fontId": 6, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Enemy Character" }, "folder": false }, { "id": 50, "name": "back_to_the_modeselect", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "Back to the Mode Select?" }, "folder": false }, { "id": 27, "name": "character_name_stage", "folder": true, "children": [ { "id": 34, "name": "Leonor", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Leonor" }, "folder": false }, { "id": 35, "name": "Riz", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Riz" }, "folder": false }, { "id": 36, "name": "Mary", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Mary" }, "folder": false }, { "id": 37, "name": "Koyo", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Koyo" }, "folder": false }, { "id": 38, "name": "Beryl", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Beryl" }, "folder": false }, { "id": 39, "name": "Amelia", "fontId": 5, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": " Amelia" }, "folder": false } ] }, { "id": 28, "name": "stage_outline", "folder": true, "children": [ { "id": 979, "name": "stage1_outline", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "アストリアは日課である\\n種族の殲滅を終わらせて\\n城で休息を取っていた。\\nそんな時、何者かが城に\\n侵入した事を察知する。\\n急ぎ様子を見に行くと\\nそこには興味深そうに\\n城を見渡す堕天使の\\nレオノールが居た・・・" }, "folder": false }, { "id": 980, "name": "stage2_outline", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "レオノールから\\n聞き出した情報を頼りに\\n妖狐を探していた。\\nその最中、魔族のリズが\\n道の真ん中で風景画を\\n描いているのを見かける\\n興味本位で声を掛け\\n描いている絵を見せて\\nもらったのだが・・・" }, "folder": false }, { "id": 981, "name": "stage3_outline", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "ジメジメと湿った空気が\\n充満している薄暗い\\n森の中を進んでいると\\n奇妙な帽子を被った\\n魔女のメアリーが\\nアストリアの前に\\n立ち塞がる。\\n妖狐の差し金で\\nアストリアの邪魔を\\nしようとするが・・・" }, "folder": false }, { "id": 982, "name": "stage4_outline", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "森を抜けた先に\\n古びた神社を見つけた\\nアストリア。\\n中から九つの白い尾を\\n持った妖狐の狐耀が\\n現れる。\\nアストリアと狐耀は\\n自身の主張を通すべく\\n力尽くで相手を屈服\\nさせようとする・・・" }, "folder": false }, { "id": 983, "name": "stage5_outline", "fontId": 9, "letterSpacing": 0, "lineSpacing": 0, "text": { "ja_JP": "面倒事を終わらせて\\n気が晴れたアストリアに\\n竜人種のベリルが声を\\n掛けてくる。\\nアストリアが狐耀を\\n倒したことに対して\\nベリルは感謝を示す。\\nどうでも良い\\nアストリアは休むべく\\n帰ろうとするが・・・" }, "folder": false'; 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