Added Strings section of Python on G4G

varunu28 · varunu28 · commit 48f22a25aef2 · 2019-01-03T04:08:28.000-08:00
diff --git a/GeeksForGeeks/Fork-Python/Strings/Regex.py b/GeeksForGeeks/Fork-Python/Strings/Regex.py
@@ -0,0 +1,9 @@
+def numberMatcher(str):
+    pat=r'\d+'
+    match=re.findall(pat,str) ##find all finds all the matched texts and returns a list
+    if(match): 
+        for i in match:
+            print(i, end=" ")
+    else:
+        print(-1,end="")
+
diff --git a/GeeksForGeeks/Fork-Python/Strings/Regex_2.py b/GeeksForGeeks/Fork-Python/Strings/Regex_2.py
@@ -0,0 +1,8 @@
+def validate(str):
+    pat= r'^[a-z]+[!@#$%]+[0-9]+$'
+    match=re.search(pat,str)
+    if(match):
+        return True
+    else:
+        return False
+
diff --git a/GeeksForGeeks/Fork-Python/Strings/Repeat the Strings.py b/GeeksForGeeks/Fork-Python/Strings/Repeat the Strings.py
@@ -0,0 +1,6 @@
+def combo_string(a, b):
+    # your code here
+    short = a if len(a) < len(b) else b
+    longer = b if short == a else a
+    
+    return short+longer+short
diff --git a/GeeksForGeeks/Fork-Python/Strings/Slicing in Python.py b/GeeksForGeeks/Fork-Python/Strings/Slicing in Python.py
@@ -0,0 +1,3 @@
+def join_middle(bound_by, tag_name):
+    # complete the statement below to return the string as required
+    return bound_by[0 : len(bound_by)//2] + tag_name + bound_by[len(bound_by) // 2 : ]
diff --git a/GeeksForGeeks/Fork-Python/Strings/String Functions I.py b/GeeksForGeeks/Fork-Python/Strings/String Functions I.py
@@ -0,0 +1,9 @@
+def trim(str):
+    return str.strip()      # use str.strip() here to truncate all space lines
+def exists(str,istr):
+    return str.find(istr)     # use str.find(istr) to return 0 based index of the matched substring, else -1
+def titleIt(str):
+    return str.title()      # use str.title() to capitalize the first letter
+def casesSwap(str):
+    return str.swapcase()      # use str.swapcase() to swap the cases of lower to upper and upper to lower
+
diff --git a/GeeksForGeeks/Fork-Python/Strings/String Functions II.py b/GeeksForGeeks/Fork-Python/Strings/String Functions II.py
@@ -0,0 +1,6 @@
+def gfg(a):
+    b = a.lower()
+    if(b.startswith('gfg') and b.endswith('gfg')):  # use b.startswith() and b.endswith()
+        print ("Yes")
+    else:
+        print ("No")
diff --git a/GeeksForGeeks/Fork-Python/Strings/Welcome Aboard.py b/GeeksForGeeks/Fork-Python/Strings/Welcome Aboard.py
@@ -0,0 +1,3 @@
+def welcomeAboard(name):
+    print ("Welcome " + name) # Your code here
+   

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+def join_middle(bound_by, tag_name):`
	`2`	`+ # complete the statement below to return the string as required`
	`3`	`+ return bound_by[0 : len(bound_by)//2] + tag_name + bound_by[len(bound_by) // 2 : ]`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+def welcomeAboard(name):`
	`2`	`+ print ("Welcome " + name) # Your code here`
	`3`	`+`