回答編集履歴
1
追記
test
CHANGED
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@@ -35,3 +35,47 @@
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35
35
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- 10文字以上続いた場合、2回マッチさせたいのか？
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36
36
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37
37
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test/1234567890/123
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38
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+
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39
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40
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41
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# 追記
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42
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43
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とにかく4文字以下や6文字以上はNGで、2回でてくることはないという条件で
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44
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45
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46
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47
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```
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48
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49
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function check(str){
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50
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51
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var def="00000";
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52
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53
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var r=str.match(/(?:^|[^\d]+)(\d{5})(?:[^\d]+|$)/);
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54
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55
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return r==null?def:r[1];
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56
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57
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}
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58
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59
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60
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61
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console.log(check("123")); //NG
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62
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63
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console.log(check("12345")); //OK
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64
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65
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console.log(check("test/1234567/56789/123/")); //OK
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66
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67
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console.log(check("12345/123/123")); //OK
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68
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69
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console.log(check("test/12345/123/")); //OK
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70
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71
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console.log(check("test/1234/123/")); //NG
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72
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73
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console.log(check("test/123456/123/")); //NG
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74
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75
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console.log(check("test/123/12345")); // OK
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76
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77
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console.log(check("test/123456/123")); // NG
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78
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79
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console.log(check("test/1234567890/123")); // NG
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80
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81
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```
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