JavaScript (ES6),  89 ... 86  84 bytes / chars

s=>s[S='split']` `.map(s=>t+=([m,M,c]=s[S](/\W+/),k=s[S](c).length-2)>=m&k<=M,t=0)|t 

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JavaScript (ES6),  89 ... 84  83 bytes / chars

s=>s[S='split']` `.map(s=>t+=([m,M,c]=s[S](/\W/),k=s[S](c).length-2)>=m&k<=M,t=0)|t 

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Commented

s => // s = input string s[S = 'split']`\n` // split it on line-feeds .map(s => // for each line s: t += // update t: ( [m, M, c] = // [m, M, c] = [min, max, char] obtained by ... s[S](/\W/), // ... splitting s on non-alphanumerical characters k = s[S](c) // k = number of occurrences of c in s, minus 1 .length - 2 // (so we have to subtract 2 from the length of the array) ) >= m & // increment t if k is greater than or equal to m k <= M, // and less than or equal to M t = 0 // starting with t = 0 ) | t // end of map(); return t 

JavaScript (ES6),  89 88 87  86 bytes

Now expects a single string.

s=>s.replace(/(\d*)-(\d*) (.).*/g,(s,m,M,c)=>t+=(k=s.split(c).length-2)>=m&k<=M,t=0)|t 

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JavaScript (ES6),  89 ... 86  84 bytes / chars

s=>s[S='split']` `.map(s=>t+=([m,M,c]=s[S](/\W+/),k=s[S](c).length-2)>=m&k<=M,t=0)|t 

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JavaScript (ES6),  89 88  87 bytes

Now expects a single string.

s=>s.replace(/(\d*)-(\d*)(.*)/g,(_,m,M,s)=>t+=(k=s.split(s[1]).length-2)>=m&k<=M,t=0)|t 

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JavaScript (ES6),  89 88 87  86 bytes

Now expects a single string.

s=>s.replace(/(\d*)-(\d*) (.).*/g,(s,m,M,c)=>t+=(k=s.split(c).length-2)>=m&k<=M,t=0)|t 

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