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Regular Expressions

please help fill out Practice excercises using espression characters

Here are some lines from The Butler Bele Book by Dr Seuss Enter patterns to make your result match the goal Goal Pattern Your Result OK? My Bright Back Room Boys 1My Bright Back Room Boys have been brighter than bright. have been brighter than bright. 33 They've thought up a gadget They've thought up a gadget 53 that's Newer than New. that's Newer than New. It is filled with mysterious It is filled with mysterious X Moo-Lacka-Moo Moo-Lacka-Moo x and can blow 11 those Zooks and can blow all those Zooks clear to Sala-ma-good clear to Sala-na-goo. THEY'VE INVENTED THEY'VE INVENTED ME BITSY THE BITSY BIG-BOYBOOMEROON BIG-BOY BOOMEROOI Practice Exercises Past Matches Expression Characters Match Examples Table of Expression Characters (space indicated by 0) Example Symbol Meaning Pattern Matches Does Not Match any one character abe, ace, ale ae, able, amble any one character on list albedje abe, ace, ade ade, ae, age, able I'lisr any one character not on fist faeiouy] A. b. c, d, E. +, ?,- a, e, i, o, u, y zero or more of match to left ab, saab, b bb, ba, aaaaaaaaba beginning of line a a line starting with "a" any other first character end of line US a line ending in "2" any other last character Backslash escapes the next character;"\"matches a period, and "*" matches an asterisk Most other characters match themselves: "e" matches an "e", for example. A Past M Expression Characters Match Examples Practice Exercises Examples of Pattern Matching on the string "This is a test." (space indicated by C) Pattern Result Note is This is a test. The pattern matches the first occurrence. Ois Thisois a test The space means the "is" in "this" doesn't match. This is a test. That's the first occurrence of zero "s". This is a test. From the first "" to the last "s" (" is 'greedy'). 1. i (none) This is a test. Patterns are case-sensitive, so "T" doesn't match "t". [Tt).*i This is a test. Handling upper- and lower-case letters. t." This is a test. From the first "t" to the last "e" ("*" can match nothing). (none) This is a test. The pattern requires two "e"s, and there's only one. This is a test. The pattern goes from the first "s" to the last one. l's This is a test. The pattern specifies two "s" chars with no "s's in between This is a test. There are zero "q"s in the spot pointed to by the arrow, This is a test.. There are zero "x"s at the end of the line L'h (none) This is a test. The only "h" is before the first "t", 1. (none) This is a test. There are no "t's on the line X'S